Home / 26,230,436.20-39,345,654.30-8,279,540.20

Finding the Fourth Proportional to 26,230,436.20, 39,345,654.30 and 8,279,540.20

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Solution

The fourth proportional to 26,230,436.20, 39,345,654.30 and 8,279,540.20 is: 12,419,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230,436.20 : 39,345,654.30 = 8,279,540.20 : x
  2. Step 2: Convert to fraction form
    26,230,436.20/39,345,654.30 = 8,279,540.20/x
  3. Step 3: Cross multiply
    26,230,436.20x = 39,345,654.30 × 8,279,540.20
  4. Step 4: Simplify right side
    26,230,436.20x = 325,763,926,472,152.81
  5. Step 5: Solve for x
    x = 325,763,926,472,152.81/26,230,436.20
  6. Step 6: Final answer
    x = 12,419,310.30

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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.