Home / 21,384,105.20-32,020,170.60-15,673,410.80

Finding the Fourth Proportional to 21,384,105.20, 32,020,170.60 and 15,673,410.80

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Solution

The fourth proportional to 21,384,105.20, 32,020,170.60 and 15,673,410.80 is: 23,469,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,105.20 : 32,020,170.60 = 15,673,410.80 : x
  2. Step 2: Convert to fraction form
    21,384,105.20/32,020,170.60 = 15,673,410.80/x
  3. Step 3: Cross multiply
    21,384,105.20x = 32,020,170.60 × 15,673,410.80
  4. Step 4: Simplify right side
    21,384,105.20x = 501,865,287,699,882.50
  5. Step 5: Solve for x
    x = 501,865,287,699,882.50/21,384,105.20
  6. Step 6: Final answer
    x = 23,469,080.56

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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.