Home / 12,512,447.60-18,770,696.44-3,874,517.90

Finding the Fourth Proportional to 12,512,447.60, 18,770,696.44 and 3,874,517.90

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Solution

The fourth proportional to 12,512,447.60, 18,770,696.44 and 3,874,517.90 is: 5,812,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,447.60 : 18,770,696.44 = 3,874,517.90 : x
  2. Step 2: Convert to fraction form
    12,512,447.60/18,770,696.44 = 3,874,517.90/x
  3. Step 3: Cross multiply
    12,512,447.60x = 18,770,696.44 × 3,874,517.90
  4. Step 4: Simplify right side
    12,512,447.60x = 72,727,399,248,706.50
  5. Step 5: Solve for x
    x = 72,727,399,248,706.50/12,512,447.60
  6. Step 6: Final answer
    x = 5,812,403.90

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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.