Home / 12,115,200.80-18,172,959.50-4,028,176.44

Finding the Fourth Proportional to 12,115,200.80, 18,172,959.50 and 4,028,176.44

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Solution

The fourth proportional to 12,115,200.80, 18,172,959.50 and 4,028,176.44 is: 6,042,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,200.80 : 18,172,959.50 = 4,028,176.44 : x
  2. Step 2: Convert to fraction form
    12,115,200.80/18,172,959.50 = 4,028,176.44/x
  3. Step 3: Cross multiply
    12,115,200.80x = 18,172,959.50 × 4,028,176.44
  4. Step 4: Simplify right side
    12,115,200.80x = 73,203,887,302,974.17
  5. Step 5: Solve for x
    x = 73,203,887,302,974.17/12,115,200.80
  6. Step 6: Final answer
    x = 6,042,317.29

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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.