Home / 20,694,627.60-31,041,941.40-9,906,375.30

Finding the Fourth Proportional to 20,694,627.60, 31,041,941.40 and 9,906,375.30

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Solution

The fourth proportional to 20,694,627.60, 31,041,941.40 and 9,906,375.30 is: 14,859,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,627.60 : 31,041,941.40 = 9,906,375.30 : x
  2. Step 2: Convert to fraction form
    20,694,627.60/31,041,941.40 = 9,906,375.30/x
  3. Step 3: Cross multiply
    20,694,627.60x = 31,041,941.40 × 9,906,375.30
  4. Step 4: Simplify right side
    20,694,627.60x = 307,513,121,549,007.44
  5. Step 5: Solve for x
    x = 307,513,121,549,007.44/20,694,627.60
  6. Step 6: Final answer
    x = 14,859,562.95

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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.