Home / 10,754,469.90-16,131,704.85-5,085,765.90

Finding the Fourth Proportional to 10,754,469.90, 16,131,704.85 and 5,085,765.90

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Solution

The fourth proportional to 10,754,469.90, 16,131,704.85 and 5,085,765.90 is: 7,628,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,469.90 : 16,131,704.85 = 5,085,765.90 : x
  2. Step 2: Convert to fraction form
    10,754,469.90/16,131,704.85 = 5,085,765.90/x
  3. Step 3: Cross multiply
    10,754,469.90x = 16,131,704.85 × 5,085,765.90
  4. Step 4: Simplify right side
    10,754,469.90x = 82,042,074,434,994.62
  5. Step 5: Solve for x
    x = 82,042,074,434,994.62/10,754,469.90
  6. Step 6: Final answer
    x = 7,628,648.85

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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.