Home / 20,493,182.20-30,751,583.10-7,722,851.80

Finding the Fourth Proportional to 20,493,182.20, 30,751,583.10 and 7,722,851.80

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Solution

The fourth proportional to 20,493,182.20, 30,751,583.10 and 7,722,851.80 is: 11,588,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,182.20 : 30,751,583.10 = 7,722,851.80 : x
  2. Step 2: Convert to fraction form
    20,493,182.20/30,751,583.10 = 7,722,851.80/x
  3. Step 3: Cross multiply
    20,493,182.20x = 30,751,583.10 × 7,722,851.80
  4. Step 4: Simplify right side
    20,493,182.20x = 237,489,918,896,684.59
  5. Step 5: Solve for x
    x = 237,489,918,896,684.59/20,493,182.20
  6. Step 6: Final answer
    x = 11,588,728.22

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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.