Home / 13,391,080.96-18,481,709.04-8,167,119.76

Finding the Fourth Proportional to 13,391,080.96, 18,481,709.04 and 8,167,119.76

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Solution

The fourth proportional to 13,391,080.96, 18,481,709.04 and 8,167,119.76 is: 11,271,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,080.96 : 18,481,709.04 = 8,167,119.76 : x
  2. Step 2: Convert to fraction form
    13,391,080.96/18,481,709.04 = 8,167,119.76/x
  3. Step 3: Cross multiply
    13,391,080.96x = 18,481,709.04 × 8,167,119.76
  4. Step 4: Simplify right side
    13,391,080.96x = 150,942,331,099,154.62
  5. Step 5: Solve for x
    x = 150,942,331,099,154.62/13,391,080.96
  6. Step 6: Final answer
    x = 11,271,855.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.