Home / 18,265,858.93-25,195,273.25-11,986,793.61

Finding the Fourth Proportional to 18,265,858.93, 25,195,273.25 and 11,986,793.61

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Solution

The fourth proportional to 18,265,858.93, 25,195,273.25 and 11,986,793.61 is: 16,534,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265,858.93 : 25,195,273.25 = 11,986,793.61 : x
  2. Step 2: Convert to fraction form
    18,265,858.93/25,195,273.25 = 11,986,793.61/x
  3. Step 3: Cross multiply
    18,265,858.93x = 25,195,273.25 × 11,986,793.61
  4. Step 4: Simplify right side
    18,265,858.93x = 302,010,540,395,303.94
  5. Step 5: Solve for x
    x = 302,010,540,395,303.94/18,265,858.93
  6. Step 6: Final answer
    x = 16,534,154.87

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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.