Home / 10,469,755.62-15,713,031.60-5,422,509.54

Finding the Fourth Proportional to 10,469,755.62, 15,713,031.60 and 5,422,509.54

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Solution

The fourth proportional to 10,469,755.62, 15,713,031.60 and 5,422,509.54 is: 8,138,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469,755.62 : 15,713,031.60 = 5,422,509.54 : x
  2. Step 2: Convert to fraction form
    10,469,755.62/15,713,031.60 = 5,422,509.54/x
  3. Step 3: Cross multiply
    10,469,755.62x = 15,713,031.60 × 5,422,509.54
  4. Step 4: Simplify right side
    10,469,755.62x = 85,204,063,753,321.47
  5. Step 5: Solve for x
    x = 85,204,063,753,321.47/10,469,755.62
  6. Step 6: Final answer
    x = 8,138,113.90

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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.