Home / 21,743,004.96-32,612,811.30-12,639,295.80

Finding the Fourth Proportional to 21,743,004.96, 32,612,811.30 and 12,639,295.80

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Solution

The fourth proportional to 21,743,004.96, 32,612,811.30 and 12,639,295.80 is: 18,957,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,004.96 : 32,612,811.30 = 12,639,295.80 : x
  2. Step 2: Convert to fraction form
    21,743,004.96/32,612,811.30 = 12,639,295.80/x
  3. Step 3: Cross multiply
    21,743,004.96x = 32,612,811.30 × 12,639,295.80
  4. Step 4: Simplify right side
    21,743,004.96x = 412,202,968,890,282.56
  5. Step 5: Solve for x
    x = 412,202,968,890,282.56/21,743,004.96
  6. Step 6: Final answer
    x = 18,957,957.73

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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.