Home / 21,513,350.74-29,687,560.18-11,723,586.27

Finding the Fourth Proportional to 21,513,350.74, 29,687,560.18 and 11,723,586.27

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Solution

The fourth proportional to 21,513,350.74, 29,687,560.18 and 11,723,586.27 is: 16,178,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,350.74 : 29,687,560.18 = 11,723,586.27 : x
  2. Step 2: Convert to fraction form
    21,513,350.74/29,687,560.18 = 11,723,586.27/x
  3. Step 3: Cross multiply
    21,513,350.74x = 29,687,560.18 × 11,723,586.27
  4. Step 4: Simplify right side
    21,513,350.74x = 348,044,672,916,046.69
  5. Step 5: Solve for x
    x = 348,044,672,916,046.69/21,513,350.74
  6. Step 6: Final answer
    x = 16,178,078.31

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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.