Home / 20,467,619.16-28,247,791.52-11,649,214.64

Finding the Fourth Proportional to 20,467,619.16, 28,247,791.52 and 11,649,214.64

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Solution

The fourth proportional to 20,467,619.16, 28,247,791.52 and 11,649,214.64 is: 16,077,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,619.16 : 28,247,791.52 = 11,649,214.64 : x
  2. Step 2: Convert to fraction form
    20,467,619.16/28,247,791.52 = 11,649,214.64/x
  3. Step 3: Cross multiply
    20,467,619.16x = 28,247,791.52 × 11,649,214.64
  4. Step 4: Simplify right side
    20,467,619.16x = 329,064,586,522,451.88
  5. Step 5: Solve for x
    x = 329,064,586,522,451.88/20,467,619.16
  6. Step 6: Final answer
    x = 16,077,326.04

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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.