Home / 20,542,373.04-30,786,790.68-11,444,103.12

Finding the Fourth Proportional to 20,542,373.04, 30,786,790.68 and 11,444,103.12

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Solution

The fourth proportional to 20,542,373.04, 30,786,790.68 and 11,444,103.12 is: 17,151,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,373.04 : 30,786,790.68 = 11,444,103.12 : x
  2. Step 2: Convert to fraction form
    20,542,373.04/30,786,790.68 = 11,444,103.12/x
  3. Step 3: Cross multiply
    20,542,373.04x = 30,786,790.68 × 11,444,103.12
  4. Step 4: Simplify right side
    20,542,373.04x = 352,327,207,275,774.88
  5. Step 5: Solve for x
    x = 352,327,207,275,774.88/20,542,373.04
  6. Step 6: Final answer
    x = 17,151,241.81

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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.