Home / 8,255,671.89-12,384,995.60-3,397,120.17

Finding the Fourth Proportional to 8,255,671.89, 12,384,995.60 and 3,397,120.17

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Solution

The fourth proportional to 8,255,671.89, 12,384,995.60 and 3,397,120.17 is: 5,096,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,671.89 : 12,384,995.60 = 3,397,120.17 : x
  2. Step 2: Convert to fraction form
    8,255,671.89/12,384,995.60 = 3,397,120.17/x
  3. Step 3: Cross multiply
    8,255,671.89x = 12,384,995.60 × 3,397,120.17
  4. Step 4: Simplify right side
    8,255,671.89x = 42,073,318,358,121.25
  5. Step 5: Solve for x
    x = 42,073,318,358,121.25/8,255,671.89
  6. Step 6: Final answer
    x = 5,096,292.45

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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.