Home / 8,194,517.54-12,285,410.09-5,309,789.36

Finding the Fourth Proportional to 8,194,517.54, 12,285,410.09 and 5,309,789.36

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Solution

The fourth proportional to 8,194,517.54, 12,285,410.09 and 5,309,789.36 is: 7,960,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,517.54 : 12,285,410.09 = 5,309,789.36 : x
  2. Step 2: Convert to fraction form
    8,194,517.54/12,285,410.09 = 5,309,789.36/x
  3. Step 3: Cross multiply
    8,194,517.54x = 12,285,410.09 × 5,309,789.36
  4. Step 4: Simplify right side
    8,194,517.54x = 65,232,939,691,142.66
  5. Step 5: Solve for x
    x = 65,232,939,691,142.66/8,194,517.54
  6. Step 6: Final answer
    x = 7,960,558.92

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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.