Home / 7,211,564.60-9,951,581.03-3,947,754.24

Finding the Fourth Proportional to 7,211,564.60, 9,951,581.03 and 3,947,754.24

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Solution

The fourth proportional to 7,211,564.60, 9,951,581.03 and 3,947,754.24 is: 5,447,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,564.60 : 9,951,581.03 = 3,947,754.24 : x
  2. Step 2: Convert to fraction form
    7,211,564.60/9,951,581.03 = 3,947,754.24/x
  3. Step 3: Cross multiply
    7,211,564.60x = 9,951,581.03 × 3,947,754.24
  4. Step 4: Simplify right side
    7,211,564.60x = 39,286,396,186,147.30
  5. Step 5: Solve for x
    x = 39,286,396,186,147.30/7,211,564.60
  6. Step 6: Final answer
    x = 5,447,693.86

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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.