Home / 18,453,704.20-27,680,556.30-7,667,420.20

Finding the Fourth Proportional to 18,453,704.20, 27,680,556.30 and 7,667,420.20

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Solution

The fourth proportional to 18,453,704.20, 27,680,556.30 and 7,667,420.20 is: 11,501,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,704.20 : 27,680,556.30 = 7,667,420.20 : x
  2. Step 2: Convert to fraction form
    18,453,704.20/27,680,556.30 = 7,667,420.20/x
  3. Step 3: Cross multiply
    18,453,704.20x = 27,680,556.30 × 7,667,420.20
  4. Step 4: Simplify right side
    18,453,704.20x = 212,238,456,521,857.28
  5. Step 5: Solve for x
    x = 212,238,456,521,857.28/18,453,704.20
  6. Step 6: Final answer
    x = 11,501,130.30

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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.