Home / 7,131,182.80-9,840,959.92-3,867,927.43

Finding the Fourth Proportional to 7,131,182.80, 9,840,959.92 and 3,867,927.43

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Solution

The fourth proportional to 7,131,182.80, 9,840,959.92 and 3,867,927.43 is: 5,337,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,182.80 : 9,840,959.92 = 3,867,927.43 : x
  2. Step 2: Convert to fraction form
    7,131,182.80/9,840,959.92 = 3,867,927.43/x
  3. Step 3: Cross multiply
    7,131,182.80x = 9,840,959.92 × 3,867,927.43
  4. Step 4: Simplify right side
    7,131,182.80x = 38,064,118,812,098.61
  5. Step 5: Solve for x
    x = 38,064,118,812,098.61/7,131,182.80
  6. Step 6: Final answer
    x = 5,337,700.61

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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.