Home / 18,193,072.20-27,289,608.30-13,410,103.20

Finding the Fourth Proportional to 18,193,072.20, 27,289,608.30 and 13,410,103.20

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Solution

The fourth proportional to 18,193,072.20, 27,289,608.30 and 13,410,103.20 is: 20,115,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,072.20 : 27,289,608.30 = 13,410,103.20 : x
  2. Step 2: Convert to fraction form
    18,193,072.20/27,289,608.30 = 13,410,103.20/x
  3. Step 3: Cross multiply
    18,193,072.20x = 27,289,608.30 × 13,410,103.20
  4. Step 4: Simplify right side
    18,193,072.20x = 365,956,463,590,576.56
  5. Step 5: Solve for x
    x = 365,956,463,590,576.56/18,193,072.20
  6. Step 6: Final answer
    x = 20,115,154.80

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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.