Home / 10,657,321.20-15,962,362.20-8,253,370.80

Finding the Fourth Proportional to 10,657,321.20, 15,962,362.20 and 8,253,370.80

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Solution

The fourth proportional to 10,657,321.20, 15,962,362.20 and 8,253,370.80 is: 12,361,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,321.20 : 15,962,362.20 = 8,253,370.80 : x
  2. Step 2: Convert to fraction form
    10,657,321.20/15,962,362.20 = 8,253,370.80/x
  3. Step 3: Cross multiply
    10,657,321.20x = 15,962,362.20 × 8,253,370.80
  4. Step 4: Simplify right side
    10,657,321.20x = 131,743,294,080,503.75
  5. Step 5: Solve for x
    x = 131,743,294,080,503.75/10,657,321.20
  6. Step 6: Final answer
    x = 12,361,764.43

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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.