Home / 7,131,169.30-9,840,941.28-3,867,913.95

Finding the Fourth Proportional to 7,131,169.30, 9,840,941.28 and 3,867,913.95

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Solution

The fourth proportional to 7,131,169.30, 9,840,941.28 and 3,867,913.95 is: 5,337,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,169.30 : 9,840,941.28 = 3,867,913.95 : x
  2. Step 2: Convert to fraction form
    7,131,169.30/9,840,941.28 = 3,867,913.95/x
  3. Step 3: Cross multiply
    7,131,169.30x = 9,840,941.28 × 3,867,913.95
  4. Step 4: Simplify right side
    7,131,169.30x = 38,063,914,058,042.85
  5. Step 5: Solve for x
    x = 38,063,914,058,042.85/7,131,169.30
  6. Step 6: Final answer
    x = 5,337,682.01

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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.