Home / 6,665,501.40-9,198,346.14-3,609,645.72

Finding the Fourth Proportional to 6,665,501.40, 9,198,346.14 and 3,609,645.72

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Solution

The fourth proportional to 6,665,501.40, 9,198,346.14 and 3,609,645.72 is: 4,981,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,501.40 : 9,198,346.14 = 3,609,645.72 : x
  2. Step 2: Convert to fraction form
    6,665,501.40/9,198,346.14 = 3,609,645.72/x
  3. Step 3: Cross multiply
    6,665,501.40x = 9,198,346.14 × 3,609,645.72
  4. Step 4: Simplify right side
    6,665,501.40x = 33,202,770,775,329.52
  5. Step 5: Solve for x
    x = 33,202,770,775,329.52/6,665,501.40
  6. Step 6: Final answer
    x = 4,981,286.30

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Double scale
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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.