Home / 20,738,037.75-31,111,069.76-7,957,548.73

Finding the Fourth Proportional to 20,738,037.75, 31,111,069.76 and 7,957,548.73

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Solution

The fourth proportional to 20,738,037.75, 31,111,069.76 and 7,957,548.73 is: 11,937,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,037.75 : 31,111,069.76 = 7,957,548.73 : x
  2. Step 2: Convert to fraction form
    20,738,037.75/31,111,069.76 = 7,957,548.73/x
  3. Step 3: Cross multiply
    20,738,037.75x = 31,111,069.76 × 7,957,548.73
  4. Step 4: Simplify right side
    20,738,037.75x = 247,567,853,657,629.44
  5. Step 5: Solve for x
    x = 247,567,853,657,629.44/20,738,037.75
  6. Step 6: Final answer
    x = 11,937,863.01

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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.