Home / 40,253,630.40-60,380,445.60-13,327,286.40

Finding the Fourth Proportional to 40,253,630.40, 60,380,445.60 and 13,327,286.40

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Solution

The fourth proportional to 40,253,630.40, 60,380,445.60 and 13,327,286.40 is: 19,990,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253,630.40 : 60,380,445.60 = 13,327,286.40 : x
  2. Step 2: Convert to fraction form
    40,253,630.40/60,380,445.60 = 13,327,286.40/x
  3. Step 3: Cross multiply
    40,253,630.40x = 60,380,445.60 × 13,327,286.40
  4. Step 4: Simplify right side
    40,253,630.40x = 804,707,491,470,819.88
  5. Step 5: Solve for x
    x = 804,707,491,470,819.88/40,253,630.40
  6. Step 6: Final answer
    x = 19,990,929.60

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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.