Home / 10,677,825.80-16,016,738.70-8,662,286.60

Finding the Fourth Proportional to 10,677,825.80, 16,016,738.70 and 8,662,286.60

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Solution

The fourth proportional to 10,677,825.80, 16,016,738.70 and 8,662,286.60 is: 12,993,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677,825.80 : 16,016,738.70 = 8,662,286.60 : x
  2. Step 2: Convert to fraction form
    10,677,825.80/16,016,738.70 = 8,662,286.60/x
  3. Step 3: Cross multiply
    10,677,825.80x = 16,016,738.70 × 8,662,286.60
  4. Step 4: Simplify right side
    10,677,825.80x = 138,741,581,016,711.41
  5. Step 5: Solve for x
    x = 138,741,581,016,711.41/10,677,825.80
  6. Step 6: Final answer
    x = 12,993,429.90

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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.