Home / 10,392,723.20-15,589,084.80-8,503,155.20

Finding the Fourth Proportional to 10,392,723.20, 15,589,084.80 and 8,503,155.20

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Solution

The fourth proportional to 10,392,723.20, 15,589,084.80 and 8,503,155.20 is: 12,754,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,723.20 : 15,589,084.80 = 8,503,155.20 : x
  2. Step 2: Convert to fraction form
    10,392,723.20/15,589,084.80 = 8,503,155.20/x
  3. Step 3: Cross multiply
    10,392,723.20x = 15,589,084.80 × 8,503,155.20
  4. Step 4: Simplify right side
    10,392,723.20x = 132,556,407,480,360.95
  5. Step 5: Solve for x
    x = 132,556,407,480,360.95/10,392,723.20
  6. Step 6: Final answer
    x = 12,754,732.80

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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.