Home / 16,131,461.92-22,261,137.15-8,789,355.40

Finding the Fourth Proportional to 16,131,461.92, 22,261,137.15 and 8,789,355.40

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Solution

The fourth proportional to 16,131,461.92, 22,261,137.15 and 8,789,355.40 is: 12,129,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,461.92 : 22,261,137.15 = 8,789,355.40 : x
  2. Step 2: Convert to fraction form
    16,131,461.92/22,261,137.15 = 8,789,355.40/x
  3. Step 3: Cross multiply
    16,131,461.92x = 22,261,137.15 × 8,789,355.40
  4. Step 4: Simplify right side
    16,131,461.92x = 195,661,046,019,493.09
  5. Step 5: Solve for x
    x = 195,661,046,019,493.09/16,131,461.92
  6. Step 6: Final answer
    x = 12,129,157.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.