Home / 10,677,757.80-16,016,636.70-8,662,218.60

Finding the Fourth Proportional to 10,677,757.80, 16,016,636.70 and 8,662,218.60

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Solution

The fourth proportional to 10,677,757.80, 16,016,636.70 and 8,662,218.60 is: 12,993,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677,757.80 : 16,016,636.70 = 8,662,218.60 : x
  2. Step 2: Convert to fraction form
    10,677,757.80/16,016,636.70 = 8,662,218.60/x
  3. Step 3: Cross multiply
    10,677,757.80x = 16,016,636.70 × 8,662,218.60
  4. Step 4: Simplify right side
    10,677,757.80x = 138,739,608,332,182.61
  5. Step 5: Solve for x
    x = 138,739,608,332,182.61/10,677,757.80
  6. Step 6: Final answer
    x = 12,993,327.90

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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.