Home / 15,083,150.85-20,815,218.60-8,557,055.37

Finding the Fourth Proportional to 15,083,150.85, 20,815,218.60 and 8,557,055.37

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Solution

The fourth proportional to 15,083,150.85, 20,815,218.60 and 8,557,055.37 is: 11,809,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,150.85 : 20,815,218.60 = 8,557,055.37 : x
  2. Step 2: Convert to fraction form
    15,083,150.85/20,815,218.60 = 8,557,055.37/x
  3. Step 3: Cross multiply
    15,083,150.85x = 20,815,218.60 × 8,557,055.37
  4. Step 4: Simplify right side
    15,083,150.85x = 178,116,978,098,853.88
  5. Step 5: Solve for x
    x = 178,116,978,098,853.88/15,083,150.85
  6. Step 6: Final answer
    x = 11,809,003.30

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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.