Home / 18,209,902.80-27,314,854.20-18,103,614.60

Finding the Fourth Proportional to 18,209,902.80, 27,314,854.20 and 18,103,614.60

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Solution

The fourth proportional to 18,209,902.80, 27,314,854.20 and 18,103,614.60 is: 27,155,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,902.80 : 27,314,854.20 = 18,103,614.60 : x
  2. Step 2: Convert to fraction form
    18,209,902.80/27,314,854.20 = 18,103,614.60/x
  3. Step 3: Cross multiply
    18,209,902.80x = 27,314,854.20 × 18,103,614.60
  4. Step 4: Simplify right side
    18,209,902.80x = 494,497,593,291,991.38
  5. Step 5: Solve for x
    x = 494,497,593,291,991.38/18,209,902.80
  6. Step 6: Final answer
    x = 27,155,421.90

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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.