Home / 20,061,956.10-30,092,934.15-12,887,502.60

Finding the Fourth Proportional to 20,061,956.10, 30,092,934.15 and 12,887,502.60

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Solution

The fourth proportional to 20,061,956.10, 30,092,934.15 and 12,887,502.60 is: 19,331,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,956.10 : 30,092,934.15 = 12,887,502.60 : x
  2. Step 2: Convert to fraction form
    20,061,956.10/30,092,934.15 = 12,887,502.60/x
  3. Step 3: Cross multiply
    20,061,956.10x = 30,092,934.15 × 12,887,502.60
  4. Step 4: Simplify right side
    20,061,956.10x = 387,822,767,099,753.75
  5. Step 5: Solve for x
    x = 387,822,767,099,753.75/20,061,956.10
  6. Step 6: Final answer
    x = 19,331,253.90

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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.