Home / 11,707,966.57-17,561,851.33-9,151,331.98

Finding the Fourth Proportional to 11,707,966.57, 17,561,851.33 and 9,151,331.98

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Solution

The fourth proportional to 11,707,966.57, 17,561,851.33 and 9,151,331.98 is: 13,726,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707,966.57 : 17,561,851.33 = 9,151,331.98 : x
  2. Step 2: Convert to fraction form
    11,707,966.57/17,561,851.33 = 9,151,331.98/x
  3. Step 3: Cross multiply
    11,707,966.57x = 17,561,851.33 × 9,151,331.98
  4. Step 4: Simplify right side
    11,707,966.57x = 160,714,331,704,234.53
  5. Step 5: Solve for x
    x = 160,714,331,704,234.53/11,707,966.57
  6. Step 6: Final answer
    x = 13,726,920.96

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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.