Home / 8,320,904.60-12,481,356.90-5,451,123.20

Finding the Fourth Proportional to 8,320,904.60, 12,481,356.90 and 5,451,123.20

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Solution

The fourth proportional to 8,320,904.60, 12,481,356.90 and 5,451,123.20 is: 8,176,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,904.60 : 12,481,356.90 = 5,451,123.20 : x
  2. Step 2: Convert to fraction form
    8,320,904.60/12,481,356.90 = 5,451,123.20/x
  3. Step 3: Cross multiply
    8,320,904.60x = 12,481,356.90 × 5,451,123.20
  4. Step 4: Simplify right side
    8,320,904.60x = 68,037,414,165,070.09
  5. Step 5: Solve for x
    x = 68,037,414,165,070.09/8,320,904.60
  6. Step 6: Final answer
    x = 8,176,684.80

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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.