Home / 21,761,845.20-32,643,996.60-6,616,270.80

Finding the Fourth Proportional to 21,761,845.20, 32,643,996.60 and 6,616,270.80

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Solution

The fourth proportional to 21,761,845.20, 32,643,996.60 and 6,616,270.80 is: 9,924,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,845.20 : 32,643,996.60 = 6,616,270.80 : x
  2. Step 2: Convert to fraction form
    21,761,845.20/32,643,996.60 = 6,616,270.80/x
  3. Step 3: Cross multiply
    21,761,845.20x = 32,643,996.60 × 6,616,270.80
  4. Step 4: Simplify right side
    21,761,845.20x = 215,981,521,499,879.28
  5. Step 5: Solve for x
    x = 215,981,521,499,879.28/21,761,845.20
  6. Step 6: Final answer
    x = 9,924,779.79

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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.