Home / 7,972,691.88-11,002,672.52-4,489,228.56

Finding the Fourth Proportional to 7,972,691.88, 11,002,672.52 and 4,489,228.56

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Solution

The fourth proportional to 7,972,691.88, 11,002,672.52 and 4,489,228.56 is: 6,195,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,691.88 : 11,002,672.52 = 4,489,228.56 : x
  2. Step 2: Convert to fraction form
    7,972,691.88/11,002,672.52 = 4,489,228.56/x
  3. Step 3: Cross multiply
    7,972,691.88x = 11,002,672.52 × 4,489,228.56
  4. Step 4: Simplify right side
    7,972,691.88x = 49,393,511,713,111.16
  5. Step 5: Solve for x
    x = 49,393,511,713,111.16/7,972,691.88
  6. Step 6: Final answer
    x = 6,195,336.84

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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.