Home / 18,005,324.76-24,847,346.25-9,745,385.67

Finding the Fourth Proportional to 18,005,324.76, 24,847,346.25 and 9,745,385.67

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Solution

The fourth proportional to 18,005,324.76, 24,847,346.25 and 9,745,385.67 is: 13,448,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,324.76 : 24,847,346.25 = 9,745,385.67 : x
  2. Step 2: Convert to fraction form
    18,005,324.76/24,847,346.25 = 9,745,385.67/x
  3. Step 3: Cross multiply
    18,005,324.76x = 24,847,346.25 × 9,745,385.67
  4. Step 4: Simplify right side
    18,005,324.76x = 242,146,972,082,278.25
  5. Step 5: Solve for x
    x = 242,146,972,082,278.25/18,005,324.76
  6. Step 6: Final answer
    x = 13,448,631.19

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Half scale
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Double scale
Find fourth proportional to 18,005,325.76, 24,847,347.63 and 9,745,386.67
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.