Home / 18,568,091.80-25,623,365.34-10,419,465.88

Finding the Fourth Proportional to 18,568,091.80, 25,623,365.34 and 10,419,465.88

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Solution

The fourth proportional to 18,568,091.80, 25,623,365.34 and 10,419,465.88 is: 14,378,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,091.80 : 25,623,365.34 = 10,419,465.88 : x
  2. Step 2: Convert to fraction form
    18,568,091.80/25,623,365.34 = 10,419,465.88/x
  3. Step 3: Cross multiply
    18,568,091.80x = 25,623,365.34 × 10,419,465.88
  4. Step 4: Simplify right side
    18,568,091.80x = 266,981,780,890,904.62
  5. Step 5: Solve for x
    x = 266,981,780,890,904.62/18,568,091.80
  6. Step 6: Final answer
    x = 14,378,525.47

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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.