Home / 18,453,659.70-27,680,489.55-7,667,375.70

Finding the Fourth Proportional to 18,453,659.70, 27,680,489.55 and 7,667,375.70

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Solution

The fourth proportional to 18,453,659.70, 27,680,489.55 and 7,667,375.70 is: 11,501,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,659.70 : 27,680,489.55 = 7,667,375.70 : x
  2. Step 2: Convert to fraction form
    18,453,659.70/27,680,489.55 = 7,667,375.70/x
  3. Step 3: Cross multiply
    18,453,659.70x = 27,680,489.55 × 7,667,375.70
  4. Step 4: Simplify right side
    18,453,659.70x = 212,236,712,939,773.94
  5. Step 5: Solve for x
    x = 212,236,712,939,773.94/18,453,659.70
  6. Step 6: Final answer
    x = 11,501,063.55

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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.