Home / 31,384,811.80-47,077,217.70-27,479,704.60

Finding the Fourth Proportional to 31,384,811.80, 47,077,217.70 and 27,479,704.60

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Solution

The fourth proportional to 31,384,811.80, 47,077,217.70 and 27,479,704.60 is: 41,219,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,811.80 : 47,077,217.70 = 27,479,704.60 : x
  2. Step 2: Convert to fraction form
    31,384,811.80/47,077,217.70 = 27,479,704.60/x
  3. Step 3: Cross multiply
    31,384,811.80x = 47,077,217.70 × 27,479,704.60
  4. Step 4: Simplify right side
    31,384,811.80x = 1,293,668,035,785,891.50
  5. Step 5: Solve for x
    x = 1,293,668,035,785,891.50/31,384,811.80
  6. Step 6: Final answer
    x = 41,219,556.90

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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.