Home / 13,353,338.70-20,030,008.05-9,314,387.10

Finding the Fourth Proportional to 13,353,338.70, 20,030,008.05 and 9,314,387.10

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Solution

The fourth proportional to 13,353,338.70, 20,030,008.05 and 9,314,387.10 is: 13,971,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,338.70 : 20,030,008.05 = 9,314,387.10 : x
  2. Step 2: Convert to fraction form
    13,353,338.70/20,030,008.05 = 9,314,387.10/x
  3. Step 3: Cross multiply
    13,353,338.70x = 20,030,008.05 × 9,314,387.10
  4. Step 4: Simplify right side
    13,353,338.70x = 186,567,248,593,816.16
  5. Step 5: Solve for x
    x = 186,567,248,593,816.16/13,353,338.70
  6. Step 6: Final answer
    x = 13,971,580.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.