Home / 10,650,936.30-15,976,404.45-8,131,512.30

Finding the Fourth Proportional to 10,650,936.30, 15,976,404.45 and 8,131,512.30

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Solution

The fourth proportional to 10,650,936.30, 15,976,404.45 and 8,131,512.30 is: 12,197,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650,936.30 : 15,976,404.45 = 8,131,512.30 : x
  2. Step 2: Convert to fraction form
    10,650,936.30/15,976,404.45 = 8,131,512.30/x
  3. Step 3: Cross multiply
    10,650,936.30x = 15,976,404.45 × 8,131,512.30
  4. Step 4: Simplify right side
    10,650,936.30x = 129,912,329,294,949.72
  5. Step 5: Solve for x
    x = 129,912,329,294,949.72/10,650,936.30
  6. Step 6: Final answer
    x = 12,197,268.45

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Double scale
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Similar ratio
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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.