Home / 9,691,508-13,374,557.52-5,399,432.48

Finding the Fourth Proportional to 9,691,508, 13,374,557.52 and 5,399,432.48

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Solution

The fourth proportional to 9,691,508, 13,374,557.52 and 5,399,432.48 is: 7,451,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,508 : 13,374,557.52 = 5,399,432.48 : x
  2. Step 2: Convert to fraction form
    9,691,508/13,374,557.52 = 5,399,432.48/x
  3. Step 3: Cross multiply
    9,691,508x = 13,374,557.52 × 5,399,432.48
  4. Step 4: Simplify right side
    9,691,508x = 72,215,020,279,116.25
  5. Step 5: Solve for x
    x = 72,215,020,279,116.25/9,691,508
  6. Step 6: Final answer
    x = 7,451,370.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.