Home / 10,207,498.20-15,311,247.30-8,666,319.30

Finding the Fourth Proportional to 10,207,498.20, 15,311,247.30 and 8,666,319.30

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Solution

The fourth proportional to 10,207,498.20, 15,311,247.30 and 8,666,319.30 is: 12,999,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,498.20 : 15,311,247.30 = 8,666,319.30 : x
  2. Step 2: Convert to fraction form
    10,207,498.20/15,311,247.30 = 8,666,319.30/x
  3. Step 3: Cross multiply
    10,207,498.20x = 15,311,247.30 × 8,666,319.30
  4. Step 4: Simplify right side
    10,207,498.20x = 132,692,157,983,062.91
  5. Step 5: Solve for x
    x = 132,692,157,983,062.91/10,207,498.20
  6. Step 6: Final answer
    x = 12,999,478.95

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Similar ratio
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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.