Home / 20,647,512.56-28,493,567.34-11,480,155.31

Finding the Fourth Proportional to 20,647,512.56, 28,493,567.34 and 11,480,155.31

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Solution

The fourth proportional to 20,647,512.56, 28,493,567.34 and 11,480,155.31 is: 15,842,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,647,512.56 : 28,493,567.34 = 11,480,155.31 : x
  2. Step 2: Convert to fraction form
    20,647,512.56/28,493,567.34 = 11,480,155.31/x
  3. Step 3: Cross multiply
    20,647,512.56x = 28,493,567.34 × 11,480,155.31
  4. Step 4: Simplify right side
    20,647,512.56x = 327,110,578,427,326.94
  5. Step 5: Solve for x
    x = 327,110,578,427,326.94/20,647,512.56
  6. Step 6: Final answer
    x = 15,842,614.33

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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.