Home / 20,151,249.46-27,786,748.07-13,613,527.34

Finding the Fourth Proportional to 20,151,249.46, 27,786,748.07 and 13,613,527.34

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Solution

The fourth proportional to 20,151,249.46, 27,786,748.07 and 13,613,527.34 is: 18,771,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,249.46 : 27,786,748.07 = 13,613,527.34 : x
  2. Step 2: Convert to fraction form
    20,151,249.46/27,786,748.07 = 13,613,527.34/x
  3. Step 3: Cross multiply
    20,151,249.46x = 27,786,748.07 × 13,613,527.34
  4. Step 4: Simplify right side
    20,151,249.46x = 378,275,654,539,937.62
  5. Step 5: Solve for x
    x = 378,275,654,539,937.62/20,151,249.46
  6. Step 6: Final answer
    x = 18,771,821.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.