Home / 10,659,447.72-15,985,591.28-3,469,290.65

Finding the Fourth Proportional to 10,659,447.72, 15,985,591.28 and 3,469,290.65

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Solution

The fourth proportional to 10,659,447.72, 15,985,591.28 and 3,469,290.65 is: 5,202,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,447.72 : 15,985,591.28 = 3,469,290.65 : x
  2. Step 2: Convert to fraction form
    10,659,447.72/15,985,591.28 = 3,469,290.65/x
  3. Step 3: Cross multiply
    10,659,447.72x = 15,985,591.28 × 3,469,290.65
  4. Step 4: Simplify right side
    10,659,447.72x = 55,458,662,338,106.94
  5. Step 5: Solve for x
    x = 55,458,662,338,106.94/10,659,447.72
  6. Step 6: Final answer
    x = 5,202,770.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.