Home / 21,985,961.60-32,969,611.20-10,629,891.20

Finding the Fourth Proportional to 21,985,961.60, 32,969,611.20 and 10,629,891.20

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Solution

The fourth proportional to 21,985,961.60, 32,969,611.20 and 10,629,891.20 is: 15,940,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,961.60 : 32,969,611.20 = 10,629,891.20 : x
  2. Step 2: Convert to fraction form
    21,985,961.60/32,969,611.20 = 10,629,891.20/x
  3. Step 3: Cross multiply
    21,985,961.60x = 32,969,611.20 × 10,629,891.20
  4. Step 4: Simplify right side
    21,985,961.60x = 350,463,379,962,301.44
  5. Step 5: Solve for x
    x = 350,463,379,962,301.44/21,985,961.60
  6. Step 6: Final answer
    x = 15,940,325.30

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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.