Home / 12,115,194.17-18,172,949.55-4,028,169.80

Finding the Fourth Proportional to 12,115,194.17, 18,172,949.55 and 4,028,169.80

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Solution

The fourth proportional to 12,115,194.17, 18,172,949.55 and 4,028,169.80 is: 6,042,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,194.17 : 18,172,949.55 = 4,028,169.80 : x
  2. Step 2: Convert to fraction form
    12,115,194.17/18,172,949.55 = 4,028,169.80/x
  3. Step 3: Cross multiply
    12,115,194.17x = 18,172,949.55 × 4,028,169.80
  4. Step 4: Simplify right side
    12,115,194.17x = 73,203,726,617,346.94
  5. Step 5: Solve for x
    x = 73,203,726,617,346.94/12,115,194.17
  6. Step 6: Final answer
    x = 6,042,307.34

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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.