Home / 21,511,217.80-32,279,268.30-8,049,406.60

Finding the Fourth Proportional to 21,511,217.80, 32,279,268.30 and 8,049,406.60

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Solution

The fourth proportional to 21,511,217.80, 32,279,268.30 and 8,049,406.60 is: 12,078,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,217.80 : 32,279,268.30 = 8,049,406.60 : x
  2. Step 2: Convert to fraction form
    21,511,217.80/32,279,268.30 = 8,049,406.60/x
  3. Step 3: Cross multiply
    21,511,217.80x = 32,279,268.30 × 8,049,406.60
  4. Step 4: Simplify right side
    21,511,217.80x = 259,828,955,297,190.78
  5. Step 5: Solve for x
    x = 259,828,955,297,190.78/21,511,217.80
  6. Step 6: Final answer
    x = 12,078,765.49

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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.