Home / 15,138,132.38-22,717,227.48-8,319,467.32

Finding the Fourth Proportional to 15,138,132.38, 22,717,227.48 and 8,319,467.32

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Solution

The fourth proportional to 15,138,132.38, 22,717,227.48 and 8,319,467.32 is: 12,484,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,132.38 : 22,717,227.48 = 8,319,467.32 : x
  2. Step 2: Convert to fraction form
    15,138,132.38/22,717,227.48 = 8,319,467.32/x
  3. Step 3: Cross multiply
    15,138,132.38x = 22,717,227.48 × 8,319,467.32
  4. Step 4: Simplify right side
    15,138,132.38x = 188,995,231,620,865.97
  5. Step 5: Solve for x
    x = 188,995,231,620,865.97/15,138,132.38
  6. Step 6: Final answer
    x = 12,484,712.57

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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.