Home / 13,614,520.08-18,787,691.52-7,419,726.12

Finding the Fourth Proportional to 13,614,520.08, 18,787,691.52 and 7,419,726.12

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Solution

The fourth proportional to 13,614,520.08, 18,787,691.52 and 7,419,726.12 is: 10,239,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,520.08 : 18,787,691.52 = 7,419,726.12 : x
  2. Step 2: Convert to fraction form
    13,614,520.08/18,787,691.52 = 7,419,726.12/x
  3. Step 3: Cross multiply
    13,614,520.08x = 18,787,691.52 × 7,419,726.12
  4. Step 4: Simplify right side
    13,614,520.08x = 139,399,525,505,446.50
  5. Step 5: Solve for x
    x = 139,399,525,505,446.50/13,614,520.08
  6. Step 6: Final answer
    x = 10,239,033.38

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Double scale
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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.