Home / 15,206,659.20-22,809,988.80-8,015,414.40

Finding the Fourth Proportional to 15,206,659.20, 22,809,988.80 and 8,015,414.40

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Solution

The fourth proportional to 15,206,659.20, 22,809,988.80 and 8,015,414.40 is: 12,023,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206,659.20 : 22,809,988.80 = 8,015,414.40 : x
  2. Step 2: Convert to fraction form
    15,206,659.20/22,809,988.80 = 8,015,414.40/x
  3. Step 3: Cross multiply
    15,206,659.20x = 22,809,988.80 × 8,015,414.40
  4. Step 4: Simplify right side
    15,206,659.20x = 182,831,512,691,358.75
  5. Step 5: Solve for x
    x = 182,831,512,691,358.75/15,206,659.20
  6. Step 6: Final answer
    x = 12,023,121.60

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Similar ratio
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1.5x scale

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.