Home / 11,976,421.80-17,967,257.10-5,914,057.80

Finding the Fourth Proportional to 11,976,421.80, 17,967,257.10 and 5,914,057.80

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Solution

The fourth proportional to 11,976,421.80, 17,967,257.10 and 5,914,057.80 is: 8,872,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976,421.80 : 17,967,257.10 = 5,914,057.80 : x
  2. Step 2: Convert to fraction form
    11,976,421.80/17,967,257.10 = 5,914,057.80/x
  3. Step 3: Cross multiply
    11,976,421.80x = 17,967,257.10 × 5,914,057.80
  4. Step 4: Simplify right side
    11,976,421.80x = 106,259,396,996,860.39
  5. Step 5: Solve for x
    x = 106,259,396,996,860.39/11,976,421.80
  6. Step 6: Final answer
    x = 8,872,382.65

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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.