Home / 8,179,708.91-12,268,232.48-3,861,750.78

Finding the Fourth Proportional to 8,179,708.91, 12,268,232.48 and 3,861,750.78

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Solution

The fourth proportional to 8,179,708.91, 12,268,232.48 and 3,861,750.78 is: 5,791,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,708.91 : 12,268,232.48 = 3,861,750.78 : x
  2. Step 2: Convert to fraction form
    8,179,708.91/12,268,232.48 = 3,861,750.78/x
  3. Step 3: Cross multiply
    8,179,708.91x = 12,268,232.48 × 3,861,750.78
  4. Step 4: Simplify right side
    8,179,708.91x = 47,376,856,336,793.36
  5. Step 5: Solve for x
    x = 47,376,856,336,793.36/8,179,708.91
  6. Step 6: Final answer
    x = 5,791,997.84

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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.