Home / 15,238,540.78-22,860,041.92-7,152,337.78

Finding the Fourth Proportional to 15,238,540.78, 22,860,041.92 and 7,152,337.78

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Solution

The fourth proportional to 15,238,540.78, 22,860,041.92 and 7,152,337.78 is: 10,729,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,540.78 : 22,860,041.92 = 7,152,337.78 : x
  2. Step 2: Convert to fraction form
    15,238,540.78/22,860,041.92 = 7,152,337.78/x
  3. Step 3: Cross multiply
    15,238,540.78x = 22,860,041.92 × 7,152,337.78
  4. Step 4: Simplify right side
    15,238,540.78x = 163,502,741,476,799.75
  5. Step 5: Solve for x
    x = 163,502,741,476,799.75/15,238,540.78
  6. Step 6: Final answer
    x = 10,729,553.69

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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.