Home / 21,687,891.82-32,531,913.77-5,513,844.83

Finding the Fourth Proportional to 21,687,891.82, 32,531,913.77 and 5,513,844.83

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Solution

The fourth proportional to 21,687,891.82, 32,531,913.77 and 5,513,844.83 is: 8,270,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687,891.82 : 32,531,913.77 = 5,513,844.83 : x
  2. Step 2: Convert to fraction form
    21,687,891.82/32,531,913.77 = 5,513,844.83/x
  3. Step 3: Cross multiply
    21,687,891.82x = 32,531,913.77 × 5,513,844.83
  4. Step 4: Simplify right side
    21,687,891.82x = 179,375,924,589,998.34
  5. Step 5: Solve for x
    x = 179,375,924,589,998.34/21,687,891.82
  6. Step 6: Final answer
    x = 8,270,786.58

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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.