Home / 20,351,856-30,541,780.80-8,384,592

Finding the Fourth Proportional to 20,351,856, 30,541,780.80 and 8,384,592

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Solution

The fourth proportional to 20,351,856, 30,541,780.80 and 8,384,592 is: 12,582,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,856 : 30,541,780.80 = 8,384,592 : x
  2. Step 2: Convert to fraction form
    20,351,856/30,541,780.80 = 8,384,592/x
  3. Step 3: Cross multiply
    20,351,856x = 30,541,780.80 × 8,384,592
  4. Step 4: Simplify right side
    20,351,856x = 256,080,370,961,433.59
  5. Step 5: Solve for x
    x = 256,080,370,961,433.59/20,351,856
  6. Step 6: Final answer
    x = 12,582,654.43

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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.