Home / 20,036,504.37-30,056,003.30-7,257,119.79

Finding the Fourth Proportional to 20,036,504.37, 30,056,003.30 and 7,257,119.79

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Solution

The fourth proportional to 20,036,504.37, 30,056,003.30 and 7,257,119.79 is: 10,886,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,504.37 : 30,056,003.30 = 7,257,119.79 : x
  2. Step 2: Convert to fraction form
    20,036,504.37/30,056,003.30 = 7,257,119.79/x
  3. Step 3: Cross multiply
    20,036,504.37x = 30,056,003.30 × 7,257,119.79
  4. Step 4: Simplify right side
    20,036,504.37x = 218,120,016,320,449.72
  5. Step 5: Solve for x
    x = 218,120,016,320,449.72/20,036,504.37
  6. Step 6: Final answer
    x = 10,886,131.25

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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.