Home / 20,166,809.68-30,121,624.45-18,244,757.44

Finding the Fourth Proportional to 20,166,809.68, 30,121,624.45 and 18,244,757.44

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Solution

The fourth proportional to 20,166,809.68, 30,121,624.45 and 18,244,757.44 is: 27,250,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,809.68 : 30,121,624.45 = 18,244,757.44 : x
  2. Step 2: Convert to fraction form
    20,166,809.68/30,121,624.45 = 18,244,757.44/x
  3. Step 3: Cross multiply
    20,166,809.68x = 30,121,624.45 × 18,244,757.44
  4. Step 4: Simplify right side
    20,166,809.68x = 549,561,731,789,023.44
  5. Step 5: Solve for x
    x = 549,561,731,789,023.44/20,166,809.68
  6. Step 6: Final answer
    x = 27,250,801.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.