Home / 8,318,559.61-11,479,400.78-4,647,503.75

Finding the Fourth Proportional to 8,318,559.61, 11,479,400.78 and 4,647,503.75

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Solution

The fourth proportional to 8,318,559.61, 11,479,400.78 and 4,647,503.75 is: 6,413,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,559.61 : 11,479,400.78 = 4,647,503.75 : x
  2. Step 2: Convert to fraction form
    8,318,559.61/11,479,400.78 = 4,647,503.75/x
  3. Step 3: Cross multiply
    8,318,559.61x = 11,479,400.78 × 4,647,503.75
  4. Step 4: Simplify right side
    8,318,559.61x = 53,350,558,149,565.41
  5. Step 5: Solve for x
    x = 53,350,558,149,565.41/8,318,559.61
  6. Step 6: Final answer
    x = 6,413,437.02

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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.