Home / 20,100,410.82-30,146,769.54-7,804,373.90

Finding the Fourth Proportional to 20,100,410.82, 30,146,769.54 and 7,804,373.90

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Solution

The fourth proportional to 20,100,410.82, 30,146,769.54 and 7,804,373.90 is: 11,705,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,410.82 : 30,146,769.54 = 7,804,373.90 : x
  2. Step 2: Convert to fraction form
    20,100,410.82/30,146,769.54 = 7,804,373.90/x
  3. Step 3: Cross multiply
    20,100,410.82x = 30,146,769.54 × 7,804,373.90
  4. Step 4: Simplify right side
    20,100,410.82x = 235,276,661,216,557.12
  5. Step 5: Solve for x
    x = 235,276,661,216,557.12/20,100,410.82
  6. Step 6: Final answer
    x = 11,705,067.29

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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.