Home / 20,863,018.80-31,310,080.20-10,760,439.60

Finding the Fourth Proportional to 20,863,018.80, 31,310,080.20 and 10,760,439.60

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Solution

The fourth proportional to 20,863,018.80, 31,310,080.20 and 10,760,439.60 is: 16,148,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863,018.80 : 31,310,080.20 = 10,760,439.60 : x
  2. Step 2: Convert to fraction form
    20,863,018.80/31,310,080.20 = 10,760,439.60/x
  3. Step 3: Cross multiply
    20,863,018.80x = 31,310,080.20 × 10,760,439.60
  4. Step 4: Simplify right side
    20,863,018.80x = 336,910,226,863,255.88
  5. Step 5: Solve for x
    x = 336,910,226,863,255.88/20,863,018.80
  6. Step 6: Final answer
    x = 16,148,680.60

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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.