Home / 20,233,378.20-30,350,067.30-18,107,614.20

Finding the Fourth Proportional to 20,233,378.20, 30,350,067.30 and 18,107,614.20

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Solution

The fourth proportional to 20,233,378.20, 30,350,067.30 and 18,107,614.20 is: 27,161,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,378.20 : 30,350,067.30 = 18,107,614.20 : x
  2. Step 2: Convert to fraction form
    20,233,378.20/30,350,067.30 = 18,107,614.20/x
  3. Step 3: Cross multiply
    20,233,378.20x = 30,350,067.30 × 18,107,614.20
  4. Step 4: Simplify right side
    20,233,378.20x = 549,567,309,612,435.62
  5. Step 5: Solve for x
    x = 549,567,309,612,435.62/20,233,378.20
  6. Step 6: Final answer
    x = 27,161,421.30

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1.5x scale

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.