Home / 12,138,961.68-16,751,571.66-6,632,218.26

Finding the Fourth Proportional to 12,138,961.68, 16,751,571.66 and 6,632,218.26

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Solution

The fourth proportional to 12,138,961.68, 16,751,571.66 and 6,632,218.26 is: 9,152,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,961.68 : 16,751,571.66 = 6,632,218.26 : x
  2. Step 2: Convert to fraction form
    12,138,961.68/16,751,571.66 = 6,632,218.26/x
  3. Step 3: Cross multiply
    12,138,961.68x = 16,751,571.66 × 6,632,218.26
  4. Step 4: Simplify right side
    12,138,961.68x = 111,100,079,447,150.52
  5. Step 5: Solve for x
    x = 111,100,079,447,150.52/12,138,961.68
  6. Step 6: Final answer
    x = 9,152,354.41

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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.