Home / 7,207,972.80-9,947,006.33-3,944,785.61

Finding the Fourth Proportional to 7,207,972.80, 9,947,006.33 and 3,944,785.61

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Solution

The fourth proportional to 7,207,972.80, 9,947,006.33 and 3,944,785.61 is: 5,443,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,972.80 : 9,947,006.33 = 3,944,785.61 : x
  2. Step 2: Convert to fraction form
    7,207,972.80/9,947,006.33 = 3,944,785.61/x
  3. Step 3: Cross multiply
    7,207,972.80x = 9,947,006.33 × 3,944,785.61
  4. Step 4: Simplify right side
    7,207,972.80x = 39,238,807,363,703.95
  5. Step 5: Solve for x
    x = 39,238,807,363,703.95/7,207,972.80
  6. Step 6: Final answer
    x = 5,443,806.25

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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.