Home / 21,217,727.70-31,799,829.15-9,072,833.94

Finding the Fourth Proportional to 21,217,727.70, 31,799,829.15 and 9,072,833.94

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Solution

The fourth proportional to 21,217,727.70, 31,799,829.15 and 9,072,833.94 is: 13,597,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217,727.70 : 31,799,829.15 = 9,072,833.94 : x
  2. Step 2: Convert to fraction form
    21,217,727.70/31,799,829.15 = 9,072,833.94/x
  3. Step 3: Cross multiply
    21,217,727.70x = 31,799,829.15 × 9,072,833.94
  4. Step 4: Simplify right side
    21,217,727.70x = 288,514,569,198,321.31
  5. Step 5: Solve for x
    x = 288,514,569,198,321.31/21,217,727.70
  6. Step 6: Final answer
    x = 13,597,807.14

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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.