Home / 20,292,791.36-28,003,308.96-11,125,232.96

Finding the Fourth Proportional to 20,292,791.36, 28,003,308.96 and 11,125,232.96

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Solution

The fourth proportional to 20,292,791.36, 28,003,308.96 and 11,125,232.96 is: 15,352,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,791.36 : 28,003,308.96 = 11,125,232.96 : x
  2. Step 2: Convert to fraction form
    20,292,791.36/28,003,308.96 = 11,125,232.96/x
  3. Step 3: Cross multiply
    20,292,791.36x = 28,003,308.96 × 11,125,232.96
  4. Step 4: Simplify right side
    20,292,791.36x = 311,543,335,830,855.38
  5. Step 5: Solve for x
    x = 311,543,335,830,855.38/20,292,791.36
  6. Step 6: Final answer
    x = 15,352,414.08

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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.