Home / 8,691,338.20-13,037,007.30-3,899,183.80

Finding the Fourth Proportional to 8,691,338.20, 13,037,007.30 and 3,899,183.80

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Solution

The fourth proportional to 8,691,338.20, 13,037,007.30 and 3,899,183.80 is: 5,848,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,338.20 : 13,037,007.30 = 3,899,183.80 : x
  2. Step 2: Convert to fraction form
    8,691,338.20/13,037,007.30 = 3,899,183.80/x
  3. Step 3: Cross multiply
    8,691,338.20x = 13,037,007.30 × 3,899,183.80
  4. Step 4: Simplify right side
    8,691,338.20x = 50,833,687,664,641.74
  5. Step 5: Solve for x
    x = 50,833,687,664,641.74/8,691,338.20
  6. Step 6: Final answer
    x = 5,848,775.70

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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.