Home / 12,715,276.92-17,542,787.82-7,208,061.24

Finding the Fourth Proportional to 12,715,276.92, 17,542,787.82 and 7,208,061.24

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Solution

The fourth proportional to 12,715,276.92, 17,542,787.82 and 7,208,061.24 is: 9,944,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,276.92 : 17,542,787.82 = 7,208,061.24 : x
  2. Step 2: Convert to fraction form
    12,715,276.92/17,542,787.82 = 7,208,061.24/x
  3. Step 3: Cross multiply
    12,715,276.92x = 17,542,787.82 × 7,208,061.24
  4. Step 4: Simplify right side
    12,715,276.92x = 126,449,488,926,886.11
  5. Step 5: Solve for x
    x = 126,449,488,926,886.11/12,715,276.92
  6. Step 6: Final answer
    x = 9,944,690.13

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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.