Home / 18,568,158.04-27,819,286.23-7,761,637

Finding the Fourth Proportional to 18,568,158.04, 27,819,286.23 and 7,761,637

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Solution

The fourth proportional to 18,568,158.04, 27,819,286.23 and 7,761,637 is: 11,628,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,158.04 : 27,819,286.23 = 7,761,637 : x
  2. Step 2: Convert to fraction form
    18,568,158.04/27,819,286.23 = 7,761,637/x
  3. Step 3: Cross multiply
    18,568,158.04x = 27,819,286.23 × 7,761,637
  4. Step 4: Simplify right side
    18,568,158.04x = 215,923,201,316,358.50
  5. Step 5: Solve for x
    x = 215,923,201,316,358.50/18,568,158.04
  6. Step 6: Final answer
    x = 11,628,681.79

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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.