Home / 20,233,406.70-30,350,110.05-18,107,642.70

Finding the Fourth Proportional to 20,233,406.70, 30,350,110.05 and 18,107,642.70

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Solution

The fourth proportional to 20,233,406.70, 30,350,110.05 and 18,107,642.70 is: 27,161,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,406.70 : 30,350,110.05 = 18,107,642.70 : x
  2. Step 2: Convert to fraction form
    20,233,406.70/30,350,110.05 = 18,107,642.70/x
  3. Step 3: Cross multiply
    20,233,406.70x = 30,350,110.05 × 18,107,642.70
  4. Step 4: Simplify right side
    20,233,406.70x = 549,568,948,691,079.12
  5. Step 5: Solve for x
    x = 549,568,948,691,079.12/20,233,406.70
  6. Step 6: Final answer
    x = 27,161,464.05

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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.