Home / 7,131,350.12-9,841,205.38-3,868,156.68

Finding the Fourth Proportional to 7,131,350.12, 9,841,205.38 and 3,868,156.68

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Solution

The fourth proportional to 7,131,350.12, 9,841,205.38 and 3,868,156.68 is: 5,338,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,350.12 : 9,841,205.38 = 3,868,156.68 : x
  2. Step 2: Convert to fraction form
    7,131,350.12/9,841,205.38 = 3,868,156.68/x
  3. Step 3: Cross multiply
    7,131,350.12x = 9,841,205.38 × 3,868,156.68
  4. Step 4: Simplify right side
    7,131,350.12x = 38,067,324,329,898.95
  5. Step 5: Solve for x
    x = 38,067,324,329,898.95/7,131,350.12
  6. Step 6: Final answer
    x = 5,338,024.87

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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.