Home / 28,042,889.62-42,138,311.76-15,098,610.71

Finding the Fourth Proportional to 28,042,889.62, 42,138,311.76 and 15,098,610.71

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Solution

The fourth proportional to 28,042,889.62, 42,138,311.76 and 15,098,610.71 is: 22,687,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042,889.62 : 42,138,311.76 = 15,098,610.71 : x
  2. Step 2: Convert to fraction form
    28,042,889.62/42,138,311.76 = 15,098,610.71/x
  3. Step 3: Cross multiply
    28,042,889.62x = 42,138,311.76 × 15,098,610.71
  4. Step 4: Simplify right side
    28,042,889.62x = 636,229,965,240,855
  5. Step 5: Solve for x
    x = 636,229,965,240,855/28,042,889.62
  6. Step 6: Final answer
    x = 22,687,746.30

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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.