Home / 18,279,118.24-27,367,559.28-13,777,286.56

Finding the Fourth Proportional to 18,279,118.24, 27,367,559.28 and 13,777,286.56

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Solution

The fourth proportional to 18,279,118.24, 27,367,559.28 and 13,777,286.56 is: 20,627,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,118.24 : 27,367,559.28 = 13,777,286.56 : x
  2. Step 2: Convert to fraction form
    18,279,118.24/27,367,559.28 = 13,777,286.56/x
  3. Step 3: Cross multiply
    18,279,118.24x = 27,367,559.28 × 13,777,286.56
  4. Step 4: Simplify right side
    18,279,118.24x = 377,050,706,648,347.31
  5. Step 5: Solve for x
    x = 377,050,706,648,347.31/18,279,118.24
  6. Step 6: Final answer
    x = 20,627,401.26

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1.5x scale

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.