Home / 21,921,864.40-32,882,796.60-6,777,326.80

Finding the Fourth Proportional to 21,921,864.40, 32,882,796.60 and 6,777,326.80

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Solution

The fourth proportional to 21,921,864.40, 32,882,796.60 and 6,777,326.80 is: 10,165,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,864.40 : 32,882,796.60 = 6,777,326.80 : x
  2. Step 2: Convert to fraction form
    21,921,864.40/32,882,796.60 = 6,777,326.80/x
  3. Step 3: Cross multiply
    21,921,864.40x = 32,882,796.60 × 6,777,326.80
  4. Step 4: Simplify right side
    21,921,864.40x = 222,857,458,656,128.88
  5. Step 5: Solve for x
    x = 222,857,458,656,128.88/21,921,864.40
  6. Step 6: Final answer
    x = 10,165,990.20

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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.