Home / 18,757,244.80-28,135,867.20-9,191,306.80

Finding the Fourth Proportional to 18,757,244.80, 28,135,867.20 and 9,191,306.80

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Solution

The fourth proportional to 18,757,244.80, 28,135,867.20 and 9,191,306.80 is: 13,786,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,244.80 : 28,135,867.20 = 9,191,306.80 : x
  2. Step 2: Convert to fraction form
    18,757,244.80/28,135,867.20 = 9,191,306.80/x
  3. Step 3: Cross multiply
    18,757,244.80x = 28,135,867.20 × 9,191,306.80
  4. Step 4: Simplify right side
    18,757,244.80x = 258,605,387,519,256.97
  5. Step 5: Solve for x
    x = 258,605,387,519,256.97/18,757,244.80
  6. Step 6: Final answer
    x = 13,786,960.20

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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.