Home / 7,691,689.44-11,534,168.16-3,649,329.72

Finding the Fourth Proportional to 7,691,689.44, 11,534,168.16 and 3,649,329.72

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Solution

The fourth proportional to 7,691,689.44, 11,534,168.16 and 3,649,329.72 is: 5,472,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,689.44 : 11,534,168.16 = 3,649,329.72 : x
  2. Step 2: Convert to fraction form
    7,691,689.44/11,534,168.16 = 3,649,329.72/x
  3. Step 3: Cross multiply
    7,691,689.44x = 11,534,168.16 × 3,649,329.72
  4. Step 4: Simplify right side
    7,691,689.44x = 42,091,982,661,765.72
  5. Step 5: Solve for x
    x = 42,091,982,661,765.72/7,691,689.44
  6. Step 6: Final answer
    x = 5,472,397.58

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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.