Home / 13,608,911.10-20,389,747.05-8,814,132.30

Finding the Fourth Proportional to 13,608,911.10, 20,389,747.05 and 8,814,132.30

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Solution

The fourth proportional to 13,608,911.10, 20,389,747.05 and 8,814,132.30 is: 13,205,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,911.10 : 20,389,747.05 = 8,814,132.30 : x
  2. Step 2: Convert to fraction form
    13,608,911.10/20,389,747.05 = 8,814,132.30/x
  3. Step 3: Cross multiply
    13,608,911.10x = 20,389,747.05 × 8,814,132.30
  4. Step 4: Simplify right side
    13,608,911.10x = 179,717,928,062,234.75
  5. Step 5: Solve for x
    x = 179,717,928,062,234.75/13,608,911.10
  6. Step 6: Final answer
    x = 13,205,900.66

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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.