Home / 13,481,452.49-20,222,012.88-12,827,891.03

Finding the Fourth Proportional to 13,481,452.49, 20,222,012.88 and 12,827,891.03

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Solution

The fourth proportional to 13,481,452.49, 20,222,012.88 and 12,827,891.03 is: 19,241,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,452.49 : 20,222,012.88 = 12,827,891.03 : x
  2. Step 2: Convert to fraction form
    13,481,452.49/20,222,012.88 = 12,827,891.03/x
  3. Step 3: Cross multiply
    13,481,452.49x = 20,222,012.88 × 12,827,891.03
  4. Step 4: Simplify right side
    13,481,452.49x = 259,405,777,530,786.41
  5. Step 5: Solve for x
    x = 259,405,777,530,786.41/13,481,452.49
  6. Step 6: Final answer
    x = 19,241,678.73

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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.