Home / 11,937,142.17-17,910,146.92-8,291,951.38

Finding the Fourth Proportional to 11,937,142.17, 17,910,146.92 and 8,291,951.38

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Solution

The fourth proportional to 11,937,142.17, 17,910,146.92 and 8,291,951.38 is: 12,441,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937,142.17 : 17,910,146.92 = 8,291,951.38 : x
  2. Step 2: Convert to fraction form
    11,937,142.17/17,910,146.92 = 8,291,951.38/x
  3. Step 3: Cross multiply
    11,937,142.17x = 17,910,146.92 × 8,291,951.38
  4. Step 4: Simplify right side
    11,937,142.17x = 148,510,067,437,373.03
  5. Step 5: Solve for x
    x = 148,510,067,437,373.03/11,937,142.17
  6. Step 6: Final answer
    x = 12,441,006.84

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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.