Home / 17,086,638.80-25,629,958.20-6,985,902.80

Finding the Fourth Proportional to 17,086,638.80, 25,629,958.20 and 6,985,902.80

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Solution

The fourth proportional to 17,086,638.80, 25,629,958.20 and 6,985,902.80 is: 10,478,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086,638.80 : 25,629,958.20 = 6,985,902.80 : x
  2. Step 2: Convert to fraction form
    17,086,638.80/25,629,958.20 = 6,985,902.80/x
  3. Step 3: Cross multiply
    17,086,638.80x = 25,629,958.20 × 6,985,902.80
  4. Step 4: Simplify right side
    17,086,638.80x = 179,048,396,753,262.94
  5. Step 5: Solve for x
    x = 179,048,396,753,262.94/17,086,638.80
  6. Step 6: Final answer
    x = 10,478,854.20

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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.