Home / 21,162,306.03-29,206,265.54-11,993,964.63

Finding the Fourth Proportional to 21,162,306.03, 29,206,265.54 and 11,993,964.63

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Solution

The fourth proportional to 21,162,306.03, 29,206,265.54 and 11,993,964.63 is: 16,552,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162,306.03 : 29,206,265.54 = 11,993,964.63 : x
  2. Step 2: Convert to fraction form
    21,162,306.03/29,206,265.54 = 11,993,964.63/x
  3. Step 3: Cross multiply
    21,162,306.03x = 29,206,265.54 × 11,993,964.63
  4. Step 4: Simplify right side
    21,162,306.03x = 350,298,915,861,147.88
  5. Step 5: Solve for x
    x = 350,298,915,861,147.88/21,162,306.03
  6. Step 6: Final answer
    x = 16,552,965.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.