Home / 21,517,227.59-29,693,785.05-12,224,813.72

Finding the Fourth Proportional to 21,517,227.59, 29,693,785.05 and 12,224,813.72

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Solution

The fourth proportional to 21,517,227.59, 29,693,785.05 and 12,224,813.72 is: 16,870,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,227.59 : 29,693,785.05 = 12,224,813.72 : x
  2. Step 2: Convert to fraction form
    21,517,227.59/29,693,785.05 = 12,224,813.72/x
  3. Step 3: Cross multiply
    21,517,227.59x = 29,693,785.05 × 12,224,813.72
  4. Step 4: Simplify right side
    21,517,227.59x = 363,000,990,729,501.94
  5. Step 5: Solve for x
    x = 363,000,990,729,501.94/21,517,227.59
  6. Step 6: Final answer
    x = 16,870,249.17

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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.