Home / 7,211,550.81-9,951,545.84-3,947,734.14

Finding the Fourth Proportional to 7,211,550.81, 9,951,545.84 and 3,947,734.14

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Solution

The fourth proportional to 7,211,550.81, 9,951,545.84 and 3,947,734.14 is: 5,447,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,550.81 : 9,951,545.84 = 3,947,734.14 : x
  2. Step 2: Convert to fraction form
    7,211,550.81/9,951,545.84 = 3,947,734.14/x
  3. Step 3: Cross multiply
    7,211,550.81x = 9,951,545.84 × 3,947,734.14
  4. Step 4: Simplify right side
    7,211,550.81x = 39,286,057,218,454.58
  5. Step 5: Solve for x
    x = 39,286,057,218,454.58/7,211,550.81
  6. Step 6: Final answer
    x = 5,447,657.28

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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.