Home / 18,477,143.70-27,715,934.25-11,192,192.03

Finding the Fourth Proportional to 18,477,143.70, 27,715,934.25 and 11,192,192.03

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Solution

The fourth proportional to 18,477,143.70, 27,715,934.25 and 11,192,192.03 is: 16,788,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,143.70 : 27,715,934.25 = 11,192,192.03 : x
  2. Step 2: Convert to fraction form
    18,477,143.70/27,715,934.25 = 11,192,192.03/x
  3. Step 3: Cross multiply
    18,477,143.70x = 27,715,934.25 × 11,192,192.03
  4. Step 4: Simplify right side
    18,477,143.70x = 310,202,058,278,274.38
  5. Step 5: Solve for x
    x = 310,202,058,278,274.38/18,477,143.70
  6. Step 6: Final answer
    x = 16,788,420.51

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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.