Home / 10,969,805.40-16,454,708.10-8,259,456.30

Finding the Fourth Proportional to 10,969,805.40, 16,454,708.10 and 8,259,456.30

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Solution

The fourth proportional to 10,969,805.40, 16,454,708.10 and 8,259,456.30 is: 12,389,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969,805.40 : 16,454,708.10 = 8,259,456.30 : x
  2. Step 2: Convert to fraction form
    10,969,805.40/16,454,708.10 = 8,259,456.30/x
  3. Step 3: Cross multiply
    10,969,805.40x = 16,454,708.10 × 8,259,456.30
  4. Step 4: Simplify right side
    10,969,805.40x = 135,906,942,481,206.03
  5. Step 5: Solve for x
    x = 135,906,942,481,206.03/10,969,805.40
  6. Step 6: Final answer
    x = 12,389,184.45

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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.