Home / 12,662,292.06-17,474,849.85-7,156,175.78

Finding the Fourth Proportional to 12,662,292.06, 17,474,849.85 and 7,156,175.78

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Solution

The fourth proportional to 12,662,292.06, 17,474,849.85 and 7,156,175.78 is: 9,876,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,292.06 : 17,474,849.85 = 7,156,175.78 : x
  2. Step 2: Convert to fraction form
    12,662,292.06/17,474,849.85 = 7,156,175.78/x
  3. Step 3: Cross multiply
    12,662,292.06x = 17,474,849.85 × 7,156,175.78
  4. Step 4: Simplify right side
    12,662,292.06x = 125,053,097,326,229.42
  5. Step 5: Solve for x
    x = 125,053,097,326,229.42/12,662,292.06
  6. Step 6: Final answer
    x = 9,876,023.77

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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.