Home / 12,138,961.91-16,751,571.89-6,632,218.53

Finding the Fourth Proportional to 12,138,961.91, 16,751,571.89 and 6,632,218.53

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Solution

The fourth proportional to 12,138,961.91, 16,751,571.89 and 6,632,218.53 is: 9,152,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,961.91 : 16,751,571.89 = 6,632,218.53 : x
  2. Step 2: Convert to fraction form
    12,138,961.91/16,751,571.89 = 6,632,218.53/x
  3. Step 3: Cross multiply
    12,138,961.91x = 16,751,571.89 × 6,632,218.53
  4. Step 4: Simplify right side
    12,138,961.91x = 111,100,085,462,324.03
  5. Step 5: Solve for x
    x = 111,100,085,462,324.03/12,138,961.91
  6. Step 6: Final answer
    x = 9,152,354.73

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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.