Home / 42,242,213.12-63,389,975.04-17,981,100.44

Finding the Fourth Proportional to 42,242,213.12, 63,389,975.04 and 17,981,100.44

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Solution

The fourth proportional to 42,242,213.12, 63,389,975.04 and 17,981,100.44 is: 26,982,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,242,213.12 : 63,389,975.04 = 17,981,100.44 : x
  2. Step 2: Convert to fraction form
    42,242,213.12/63,389,975.04 = 17,981,100.44/x
  3. Step 3: Cross multiply
    42,242,213.12x = 63,389,975.04 × 17,981,100.44
  4. Step 4: Simplify right side
    42,242,213.12x = 1,139,821,508,083,333
  5. Step 5: Solve for x
    x = 1,139,821,508,083,333/42,242,213.12
  6. Step 6: Final answer
    x = 26,982,996.96

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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.