Home / 7,211,551.08-9,951,546.28-3,947,734.48

Finding the Fourth Proportional to 7,211,551.08, 9,951,546.28 and 3,947,734.48

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Solution

The fourth proportional to 7,211,551.08, 9,951,546.28 and 3,947,734.48 is: 5,447,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,551.08 : 9,951,546.28 = 3,947,734.48 : x
  2. Step 2: Convert to fraction form
    7,211,551.08/9,951,546.28 = 3,947,734.48/x
  3. Step 3: Cross multiply
    7,211,551.08x = 9,951,546.28 × 3,947,734.48
  4. Step 4: Simplify right side
    7,211,551.08x = 39,286,062,378,871.73
  5. Step 5: Solve for x
    x = 39,286,062,378,871.73/7,211,551.08
  6. Step 6: Final answer
    x = 5,447,657.78

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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.