Home / 10,469,757.62-15,713,034.60-5,422,511.54

Finding the Fourth Proportional to 10,469,757.62, 15,713,034.60 and 5,422,511.54

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Solution

The fourth proportional to 10,469,757.62, 15,713,034.60 and 5,422,511.54 is: 8,138,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469,757.62 : 15,713,034.60 = 5,422,511.54 : x
  2. Step 2: Convert to fraction form
    10,469,757.62/15,713,034.60 = 5,422,511.54/x
  3. Step 3: Cross multiply
    10,469,757.62x = 15,713,034.60 × 5,422,511.54
  4. Step 4: Simplify right side
    10,469,757.62x = 85,204,111,446,919.28
  5. Step 5: Solve for x
    x = 85,204,111,446,919.28/10,469,757.62
  6. Step 6: Final answer
    x = 8,138,116.90

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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.