Home / 21,811,512.33-32,718,098.87-8,163,221.72

Finding the Fourth Proportional to 21,811,512.33, 32,718,098.87 and 8,163,221.72

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Solution

The fourth proportional to 21,811,512.33, 32,718,098.87 and 8,163,221.72 is: 12,245,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,512.33 : 32,718,098.87 = 8,163,221.72 : x
  2. Step 2: Convert to fraction form
    21,811,512.33/32,718,098.87 = 8,163,221.72/x
  3. Step 3: Cross multiply
    21,811,512.33x = 32,718,098.87 × 8,163,221.72
  4. Step 4: Simplify right side
    21,811,512.33x = 267,085,095,181,851.91
  5. Step 5: Solve for x
    x = 267,085,095,181,851.91/21,811,512.33
  6. Step 6: Final answer
    x = 12,245,143.35

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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.