Home / 18,109,458.80-27,164,188.20-4,646,286.80

Finding the Fourth Proportional to 18,109,458.80, 27,164,188.20 and 4,646,286.80

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Solution

The fourth proportional to 18,109,458.80, 27,164,188.20 and 4,646,286.80 is: 6,969,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,458.80 : 27,164,188.20 = 4,646,286.80 : x
  2. Step 2: Convert to fraction form
    18,109,458.80/27,164,188.20 = 4,646,286.80/x
  3. Step 3: Cross multiply
    18,109,458.80x = 27,164,188.20 × 4,646,286.80
  4. Step 4: Simplify right side
    18,109,458.80x = 126,212,609,066,375.75
  5. Step 5: Solve for x
    x = 126,212,609,066,375.75/18,109,458.80
  6. Step 6: Final answer
    x = 6,969,430.20

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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.