Home / 8,255,282.20-12,372,425.70-3,986,258.20

Finding the Fourth Proportional to 8,255,282.20, 12,372,425.70 and 3,986,258.20

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Solution

The fourth proportional to 8,255,282.20, 12,372,425.70 and 3,986,258.20 is: 5,974,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,282.20 : 12,372,425.70 = 3,986,258.20 : x
  2. Step 2: Convert to fraction form
    8,255,282.20/12,372,425.70 = 3,986,258.20/x
  3. Step 3: Cross multiply
    8,255,282.20x = 12,372,425.70 × 3,986,258.20
  4. Step 4: Simplify right side
    8,255,282.20x = 49,319,683,400,515.74
  5. Step 5: Solve for x
    x = 49,319,683,400,515.74/8,255,282.20
  6. Step 6: Final answer
    x = 5,974,318.29

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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.