Home / 18,630,108.90-27,945,163.35-15,654,039.30

Finding the Fourth Proportional to 18,630,108.90, 27,945,163.35 and 15,654,039.30

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Solution

The fourth proportional to 18,630,108.90, 27,945,163.35 and 15,654,039.30 is: 23,481,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,108.90 : 27,945,163.35 = 15,654,039.30 : x
  2. Step 2: Convert to fraction form
    18,630,108.90/27,945,163.35 = 15,654,039.30/x
  3. Step 3: Cross multiply
    18,630,108.90x = 27,945,163.35 × 15,654,039.30
  4. Step 4: Simplify right side
    18,630,108.90x = 437,454,685,325,819.69
  5. Step 5: Solve for x
    x = 437,454,685,325,819.69/18,630,108.90
  6. Step 6: Final answer
    x = 23,481,058.95

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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.