Home / 15,535,123.92-21,447,656.87-13,811,475.38

Finding the Fourth Proportional to 15,535,123.92, 21,447,656.87 and 13,811,475.38

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Solution

The fourth proportional to 15,535,123.92, 21,447,656.87 and 13,811,475.38 is: 19,068,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535,123.92 : 21,447,656.87 = 13,811,475.38 : x
  2. Step 2: Convert to fraction form
    15,535,123.92/21,447,656.87 = 13,811,475.38/x
  3. Step 3: Cross multiply
    15,535,123.92x = 21,447,656.87 × 13,811,475.38
  4. Step 4: Simplify right side
    15,535,123.92x = 296,223,784,642,397.19
  5. Step 5: Solve for x
    x = 296,223,784,642,397.19/15,535,123.92
  6. Step 6: Final answer
    x = 19,068,002.69

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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.