Home / 11,780,586.90-17,645,997.15-9,789,930.90

Finding the Fourth Proportional to 11,780,586.90, 17,645,997.15 and 9,789,930.90

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Solution

The fourth proportional to 11,780,586.90, 17,645,997.15 and 9,789,930.90 is: 14,664,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,586.90 : 17,645,997.15 = 9,789,930.90 : x
  2. Step 2: Convert to fraction form
    11,780,586.90/17,645,997.15 = 9,789,930.90/x
  3. Step 3: Cross multiply
    11,780,586.90x = 17,645,997.15 × 9,789,930.90
  4. Step 4: Simplify right side
    11,780,586.90x = 172,753,092,760,096.94
  5. Step 5: Solve for x
    x = 172,753,092,760,096.94/11,780,586.90
  6. Step 6: Final answer
    x = 14,664,217.85

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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.