Home / 9,195,512.42-12,690,200.86-5,121,131.42

Finding the Fourth Proportional to 9,195,512.42, 12,690,200.86 and 5,121,131.42

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Solution

The fourth proportional to 9,195,512.42, 12,690,200.86 and 5,121,131.42 is: 7,067,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,512.42 : 12,690,200.86 = 5,121,131.42 : x
  2. Step 2: Convert to fraction form
    9,195,512.42/12,690,200.86 = 5,121,131.42/x
  3. Step 3: Cross multiply
    9,195,512.42x = 12,690,200.86 × 5,121,131.42
  4. Step 4: Simplify right side
    9,195,512.42x = 64,988,186,350,257.02
  5. Step 5: Solve for x
    x = 64,988,186,350,257.02/9,195,512.42
  6. Step 6: Final answer
    x = 7,067,380.63

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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.