Home / 29,109,414.60-43,664,121.90-8,639,872.20

Finding the Fourth Proportional to 29,109,414.60, 43,664,121.90 and 8,639,872.20

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Solution

The fourth proportional to 29,109,414.60, 43,664,121.90 and 8,639,872.20 is: 12,959,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109,414.60 : 43,664,121.90 = 8,639,872.20 : x
  2. Step 2: Convert to fraction form
    29,109,414.60/43,664,121.90 = 8,639,872.20/x
  3. Step 3: Cross multiply
    29,109,414.60x = 43,664,121.90 × 8,639,872.20
  4. Step 4: Simplify right side
    29,109,414.60x = 377,252,432,941,221.12
  5. Step 5: Solve for x
    x = 377,252,432,941,221.12/29,109,414.60
  6. Step 6: Final answer
    x = 12,959,808.30

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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.