Home / 18,193,072.70-27,289,609.05-13,410,103.70

Finding the Fourth Proportional to 18,193,072.70, 27,289,609.05 and 13,410,103.70

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Solution

The fourth proportional to 18,193,072.70, 27,289,609.05 and 13,410,103.70 is: 20,115,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,072.70 : 27,289,609.05 = 13,410,103.70 : x
  2. Step 2: Convert to fraction form
    18,193,072.70/27,289,609.05 = 13,410,103.70/x
  3. Step 3: Cross multiply
    18,193,072.70x = 27,289,609.05 × 13,410,103.70
  4. Step 4: Simplify right side
    18,193,072.70x = 365,956,487,292,958.50
  5. Step 5: Solve for x
    x = 365,956,487,292,958.50/18,193,072.70
  6. Step 6: Final answer
    x = 20,115,155.55

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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.