Home / 21,706,728.20-32,560,092.30-8,936,397.80

Finding the Fourth Proportional to 21,706,728.20, 32,560,092.30 and 8,936,397.80

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Solution

The fourth proportional to 21,706,728.20, 32,560,092.30 and 8,936,397.80 is: 13,404,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,728.20 : 32,560,092.30 = 8,936,397.80 : x
  2. Step 2: Convert to fraction form
    21,706,728.20/32,560,092.30 = 8,936,397.80/x
  3. Step 3: Cross multiply
    21,706,728.20x = 32,560,092.30 × 8,936,397.80
  4. Step 4: Simplify right side
    21,706,728.20x = 290,969,937,197,517
  5. Step 5: Solve for x
    x = 290,969,937,197,517/21,706,728.20
  6. Step 6: Final answer
    x = 13,404,596.70

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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.