Home / 21,761,829.20-32,643,972.60-6,616,254.80

Finding the Fourth Proportional to 21,761,829.20, 32,643,972.60 and 6,616,254.80

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Solution

The fourth proportional to 21,761,829.20, 32,643,972.60 and 6,616,254.80 is: 9,924,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,829.20 : 32,643,972.60 = 6,616,254.80 : x
  2. Step 2: Convert to fraction form
    21,761,829.20/32,643,972.60 = 6,616,254.80/x
  3. Step 3: Cross multiply
    21,761,829.20x = 32,643,972.60 × 6,616,254.80
  4. Step 4: Simplify right side
    21,761,829.20x = 215,980,840,405,818.47
  5. Step 5: Solve for x
    x = 215,980,840,405,818.47/21,761,829.20
  6. Step 6: Final answer
    x = 9,924,755.79

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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.