Home / 18,144,481.70-27,216,722.55-8,066,785.70

Finding the Fourth Proportional to 18,144,481.70, 27,216,722.55 and 8,066,785.70

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Solution

The fourth proportional to 18,144,481.70, 27,216,722.55 and 8,066,785.70 is: 12,100,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,481.70 : 27,216,722.55 = 8,066,785.70 : x
  2. Step 2: Convert to fraction form
    18,144,481.70/27,216,722.55 = 8,066,785.70/x
  3. Step 3: Cross multiply
    18,144,481.70x = 27,216,722.55 × 8,066,785.70
  4. Step 4: Simplify right side
    18,144,481.70x = 219,551,468,267,207.53
  5. Step 5: Solve for x
    x = 219,551,468,267,207.53/18,144,481.70
  6. Step 6: Final answer
    x = 12,100,178.55

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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.