Home / 21,781,700.20-32,672,550.30-16,679,866.60

Finding the Fourth Proportional to 21,781,700.20, 32,672,550.30 and 16,679,866.60

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Solution

The fourth proportional to 21,781,700.20, 32,672,550.30 and 16,679,866.60 is: 25,019,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,700.20 : 32,672,550.30 = 16,679,866.60 : x
  2. Step 2: Convert to fraction form
    21,781,700.20/32,672,550.30 = 16,679,866.60/x
  3. Step 3: Cross multiply
    21,781,700.20x = 32,672,550.30 × 16,679,866.60
  4. Step 4: Simplify right side
    21,781,700.20x = 544,973,780,485,790
  5. Step 5: Solve for x
    x = 544,973,780,485,790/21,781,700.20
  6. Step 6: Final answer
    x = 25,019,799.90

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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.