Home / 20,587,906.80-30,889,348.20-7,126,095.60

Finding the Fourth Proportional to 20,587,906.80, 30,889,348.20 and 7,126,095.60

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Solution

The fourth proportional to 20,587,906.80, 30,889,348.20 and 7,126,095.60 is: 10,691,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,906.80 : 30,889,348.20 = 7,126,095.60 : x
  2. Step 2: Convert to fraction form
    20,587,906.80/30,889,348.20 = 7,126,095.60/x
  3. Step 3: Cross multiply
    20,587,906.80x = 30,889,348.20 × 7,126,095.60
  4. Step 4: Simplify right side
    20,587,906.80x = 220,120,448,294,887.91
  5. Step 5: Solve for x
    x = 220,120,448,294,887.91/20,587,906.80
  6. Step 6: Final answer
    x = 10,691,735.22

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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.