Home / 12,378,727.80-18,568,091.70-3,858,996.60

Finding the Fourth Proportional to 12,378,727.80, 18,568,091.70 and 3,858,996.60

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Solution

The fourth proportional to 12,378,727.80, 18,568,091.70 and 3,858,996.60 is: 5,788,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,727.80 : 18,568,091.70 = 3,858,996.60 : x
  2. Step 2: Convert to fraction form
    12,378,727.80/18,568,091.70 = 3,858,996.60/x
  3. Step 3: Cross multiply
    12,378,727.80x = 18,568,091.70 × 3,858,996.60
  4. Step 4: Simplify right side
    12,378,727.80x = 71,654,202,738,788.22
  5. Step 5: Solve for x
    x = 71,654,202,738,788.22/12,378,727.80
  6. Step 6: Final answer
    x = 5,788,494.90

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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.