Home / 15,018,376.20-20,725,234.02-8,493,286.92

Finding the Fourth Proportional to 15,018,376.20, 20,725,234.02 and 8,493,286.92

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Solution

The fourth proportional to 15,018,376.20, 20,725,234.02 and 8,493,286.92 is: 11,720,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,376.20 : 20,725,234.02 = 8,493,286.92 : x
  2. Step 2: Convert to fraction form
    15,018,376.20/20,725,234.02 = 8,493,286.92/x
  3. Step 3: Cross multiply
    15,018,376.20x = 20,725,234.02 × 8,493,286.92
  4. Step 4: Simplify right side
    15,018,376.20x = 176,025,359,016,005
  5. Step 5: Solve for x
    x = 176,025,359,016,005/15,018,376.20
  6. Step 6: Final answer
    x = 11,720,665.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.