Home / 8,392,517.29-12,588,775.92-5,551,965.13

Finding the Fourth Proportional to 8,392,517.29, 12,588,775.92 and 5,551,965.13

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Solution

The fourth proportional to 8,392,517.29, 12,588,775.92 and 5,551,965.13 is: 8,327,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,517.29 : 12,588,775.92 = 5,551,965.13 : x
  2. Step 2: Convert to fraction form
    8,392,517.29/12,588,775.92 = 5,551,965.13/x
  3. Step 3: Cross multiply
    8,392,517.29x = 12,588,775.92 × 5,551,965.13
  4. Step 4: Simplify right side
    8,392,517.29x = 69,892,444,937,223.66
  5. Step 5: Solve for x
    x = 69,892,444,937,223.66/8,392,517.29
  6. Step 6: Final answer
    x = 8,327,947.69

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Double scale
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1.5x scale

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.