Home / 15,138,129.38-22,717,222.98-8,319,464.32

Finding the Fourth Proportional to 15,138,129.38, 22,717,222.98 and 8,319,464.32

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Solution

The fourth proportional to 15,138,129.38, 22,717,222.98 and 8,319,464.32 is: 12,484,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,129.38 : 22,717,222.98 = 8,319,464.32 : x
  2. Step 2: Convert to fraction form
    15,138,129.38/22,717,222.98 = 8,319,464.32/x
  3. Step 3: Cross multiply
    15,138,129.38x = 22,717,222.98 × 8,319,464.32
  4. Step 4: Simplify right side
    15,138,129.38x = 188,995,126,031,594.09
  5. Step 5: Solve for x
    x = 188,995,126,031,594.09/15,138,129.38
  6. Step 6: Final answer
    x = 12,484,708.07

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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.