Home / 28,766,411.20-43,149,616.80-7,491,275.20

Finding the Fourth Proportional to 28,766,411.20, 43,149,616.80 and 7,491,275.20

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Solution

The fourth proportional to 28,766,411.20, 43,149,616.80 and 7,491,275.20 is: 11,236,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766,411.20 : 43,149,616.80 = 7,491,275.20 : x
  2. Step 2: Convert to fraction form
    28,766,411.20/43,149,616.80 = 7,491,275.20/x
  3. Step 3: Cross multiply
    28,766,411.20x = 43,149,616.80 × 7,491,275.20
  4. Step 4: Simplify right side
    28,766,411.20x = 323,245,654,223,343.38
  5. Step 5: Solve for x
    x = 323,245,654,223,343.38/28,766,411.20
  6. Step 6: Final answer
    x = 11,236,912.80

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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.