Home / 18,085,145.80-24,964,062.42-11,975,542.60

Finding the Fourth Proportional to 18,085,145.80, 24,964,062.42 and 11,975,542.60

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Solution

The fourth proportional to 18,085,145.80, 24,964,062.42 and 11,975,542.60 is: 16,530,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,145.80 : 24,964,062.42 = 11,975,542.60 : x
  2. Step 2: Convert to fraction form
    18,085,145.80/24,964,062.42 = 11,975,542.60/x
  3. Step 3: Cross multiply
    18,085,145.80x = 24,964,062.42 × 11,975,542.60
  4. Step 4: Simplify right side
    18,085,145.80x = 298,958,192,979,769.12
  5. Step 5: Solve for x
    x = 298,958,192,979,769.12/18,085,145.80
  6. Step 6: Final answer
    x = 16,530,593.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.