Home / 18,145,384.20-27,218,076.30-12,098,766.60

Finding the Fourth Proportional to 18,145,384.20, 27,218,076.30 and 12,098,766.60

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Solution

The fourth proportional to 18,145,384.20, 27,218,076.30 and 12,098,766.60 is: 18,148,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,384.20 : 27,218,076.30 = 12,098,766.60 : x
  2. Step 2: Convert to fraction form
    18,145,384.20/27,218,076.30 = 12,098,766.60/x
  3. Step 3: Cross multiply
    18,145,384.20x = 27,218,076.30 × 12,098,766.60
  4. Step 4: Simplify right side
    18,145,384.20x = 329,305,152,454,691.56
  5. Step 5: Solve for x
    x = 329,305,152,454,691.56/18,145,384.20
  6. Step 6: Final answer
    x = 18,148,149.90

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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.