Home / 14,520,074.10-21,780,111.15-9,742,499.70

Finding the Fourth Proportional to 14,520,074.10, 21,780,111.15 and 9,742,499.70

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Solution

The fourth proportional to 14,520,074.10, 21,780,111.15 and 9,742,499.70 is: 14,613,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,074.10 : 21,780,111.15 = 9,742,499.70 : x
  2. Step 2: Convert to fraction form
    14,520,074.10/21,780,111.15 = 9,742,499.70/x
  3. Step 3: Cross multiply
    14,520,074.10x = 21,780,111.15 × 9,742,499.70
  4. Step 4: Simplify right side
    14,520,074.10x = 212,192,726,344,841.62
  5. Step 5: Solve for x
    x = 212,192,726,344,841.62/14,520,074.10
  6. Step 6: Final answer
    x = 14,613,749.55

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Double scale
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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.