Home / 16,220,979.42-22,385,520.95-8,878,818.57

Finding the Fourth Proportional to 16,220,979.42, 22,385,520.95 and 8,878,818.57

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Solution

The fourth proportional to 16,220,979.42, 22,385,520.95 and 8,878,818.57 is: 12,253,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220,979.42 : 22,385,520.95 = 8,878,818.57 : x
  2. Step 2: Convert to fraction form
    16,220,979.42/22,385,520.95 = 8,878,818.57/x
  3. Step 3: Cross multiply
    16,220,979.42x = 22,385,520.95 × 8,878,818.57
  4. Step 4: Simplify right side
    16,220,979.42x = 198,756,979,065,589.97
  5. Step 5: Solve for x
    x = 198,756,979,065,589.97/16,220,979.42
  6. Step 6: Final answer
    x = 12,253,081.27

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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.