Home / 8,318,561.61-11,479,403.53-4,647,505.75

Finding the Fourth Proportional to 8,318,561.61, 11,479,403.53 and 4,647,505.75

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Solution

The fourth proportional to 8,318,561.61, 11,479,403.53 and 4,647,505.75 is: 6,413,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,561.61 : 11,479,403.53 = 4,647,505.75 : x
  2. Step 2: Convert to fraction form
    8,318,561.61/11,479,403.53 = 4,647,505.75/x
  3. Step 3: Cross multiply
    8,318,561.61x = 11,479,403.53 × 4,647,505.75
  4. Step 4: Simplify right side
    8,318,561.61x = 53,350,593,912,245.30
  5. Step 5: Solve for x
    x = 53,350,593,912,245.30/8,318,561.61
  6. Step 6: Final answer
    x = 6,413,439.78

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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.