Home / 7,691,961.96-11,534,579.82-3,649,605.12

Finding the Fourth Proportional to 7,691,961.96, 11,534,579.82 and 3,649,605.12

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Solution

The fourth proportional to 7,691,961.96, 11,534,579.82 and 3,649,605.12 is: 5,472,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,961.96 : 11,534,579.82 = 3,649,605.12 : x
  2. Step 2: Convert to fraction form
    7,691,961.96/11,534,579.82 = 3,649,605.12/x
  3. Step 3: Cross multiply
    7,691,961.96x = 11,534,579.82 × 3,649,605.12
  4. Step 4: Simplify right side
    7,691,961.96x = 42,096,661,568,120.68
  5. Step 5: Solve for x
    x = 42,096,661,568,120.68/7,691,961.96
  6. Step 6: Final answer
    x = 5,472,811.98

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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.