Home / 8,255,635.20-12,372,955.20-3,986,611.20

Finding the Fourth Proportional to 8,255,635.20, 12,372,955.20 and 3,986,611.20

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Solution

The fourth proportional to 8,255,635.20, 12,372,955.20 and 3,986,611.20 is: 5,974,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,635.20 : 12,372,955.20 = 3,986,611.20 : x
  2. Step 2: Convert to fraction form
    8,255,635.20/12,372,955.20 = 3,986,611.20/x
  3. Step 3: Cross multiply
    8,255,635.20x = 12,372,955.20 × 3,986,611.20
  4. Step 4: Simplify right side
    8,255,635.20x = 49,326,161,777,418.24
  5. Step 5: Solve for x
    x = 49,326,161,777,418.24/8,255,635.20
  6. Step 6: Final answer
    x = 5,974,847.55

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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.