Home / 20,256,427.80-30,384,691.14-5,110,359.48

Finding the Fourth Proportional to 20,256,427.80, 30,384,691.14 and 5,110,359.48

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Solution

The fourth proportional to 20,256,427.80, 30,384,691.14 and 5,110,359.48 is: 7,665,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256,427.80 : 30,384,691.14 = 5,110,359.48 : x
  2. Step 2: Convert to fraction form
    20,256,427.80/30,384,691.14 = 5,110,359.48/x
  3. Step 3: Cross multiply
    20,256,427.80x = 30,384,691.14 × 5,110,359.48
  4. Step 4: Simplify right side
    20,256,427.80x = 155,276,694,414,171.03
  5. Step 5: Solve for x
    x = 155,276,694,414,171.03/20,256,427.80
  6. Step 6: Final answer
    x = 7,665,551.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.