Home / 21,085,939.92-29,098,381.96-11,793,487.82

Finding the Fourth Proportional to 21,085,939.92, 29,098,381.96 and 11,793,487.82

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Solution

The fourth proportional to 21,085,939.92, 29,098,381.96 and 11,793,487.82 is: 16,274,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,939.92 : 29,098,381.96 = 11,793,487.82 : x
  2. Step 2: Convert to fraction form
    21,085,939.92/29,098,381.96 = 11,793,487.82/x
  3. Step 3: Cross multiply
    21,085,939.92x = 29,098,381.96 × 11,793,487.82
  4. Step 4: Simplify right side
    21,085,939.92x = 343,171,413,063,042.56
  5. Step 5: Solve for x
    x = 343,171,413,063,042.56/21,085,939.92
  6. Step 6: Final answer
    x = 16,274,892.86

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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.