Home / 8,138,853.44-11,229,316.91-5,239,922.73

Finding the Fourth Proportional to 8,138,853.44, 11,229,316.91 and 5,239,922.73

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Solution

The fourth proportional to 8,138,853.44, 11,229,316.91 and 5,239,922.73 is: 7,229,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,853.44 : 11,229,316.91 = 5,239,922.73 : x
  2. Step 2: Convert to fraction form
    8,138,853.44/11,229,316.91 = 5,239,922.73/x
  3. Step 3: Cross multiply
    8,138,853.44x = 11,229,316.91 × 5,239,922.73
  4. Step 4: Simplify right side
    8,138,853.44x = 58,840,752,892,882.75
  5. Step 5: Solve for x
    x = 58,840,752,892,882.75/8,138,853.44
  6. Step 6: Final answer
    x = 7,229,612.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.