Home / 28,520,177.76-42,777,234-8,049,391.20

Finding the Fourth Proportional to 28,520,177.76, 42,777,234 and 8,049,391.20

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Solution

The fourth proportional to 28,520,177.76, 42,777,234 and 8,049,391.20 is: 12,073,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,177.76 : 42,777,234 = 8,049,391.20 : x
  2. Step 2: Convert to fraction form
    28,520,177.76/42,777,234 = 8,049,391.20/x
  3. Step 3: Cross multiply
    28,520,177.76x = 42,777,234 × 8,049,391.20
  4. Step 4: Simplify right side
    28,520,177.76x = 344,330,690,919,940.81
  5. Step 5: Solve for x
    x = 344,330,690,919,940.81/28,520,177.76
  6. Step 6: Final answer
    x = 12,073,230.88

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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.