Home / 18,715,499.27-28,074,115.92-5,762,230.13

Finding the Fourth Proportional to 18,715,499.27, 28,074,115.92 and 5,762,230.13

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Solution

The fourth proportional to 18,715,499.27, 28,074,115.92 and 5,762,230.13 is: 8,643,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,499.27 : 28,074,115.92 = 5,762,230.13 : x
  2. Step 2: Convert to fraction form
    18,715,499.27/28,074,115.92 = 5,762,230.13/x
  3. Step 3: Cross multiply
    18,715,499.27x = 28,074,115.92 × 5,762,230.13
  4. Step 4: Simplify right side
    18,715,499.27x = 161,769,516,486,966.09
  5. Step 5: Solve for x
    x = 161,769,516,486,966.09/18,715,499.27
  6. Step 6: Final answer
    x = 8,643,612.13

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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.