Home / 8,255,564.70-12,372,849.45-3,986,540.70

Finding the Fourth Proportional to 8,255,564.70, 12,372,849.45 and 3,986,540.70

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Solution

The fourth proportional to 8,255,564.70, 12,372,849.45 and 3,986,540.70 is: 5,974,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,564.70 : 12,372,849.45 = 3,986,540.70 : x
  2. Step 2: Convert to fraction form
    8,255,564.70/12,372,849.45 = 3,986,540.70/x
  3. Step 3: Cross multiply
    8,255,564.70x = 12,372,849.45 × 3,986,540.70
  4. Step 4: Simplify right side
    8,255,564.70x = 49,324,867,907,397.62
  5. Step 5: Solve for x
    x = 49,324,867,907,397.62/8,255,564.70
  6. Step 6: Final answer
    x = 5,974,741.85

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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.