Home / 31,384,815.80-47,077,223.70-27,479,708.60

Finding the Fourth Proportional to 31,384,815.80, 47,077,223.70 and 27,479,708.60

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Solution

The fourth proportional to 31,384,815.80, 47,077,223.70 and 27,479,708.60 is: 41,219,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,815.80 : 47,077,223.70 = 27,479,708.60 : x
  2. Step 2: Convert to fraction form
    31,384,815.80/47,077,223.70 = 27,479,708.60/x
  3. Step 3: Cross multiply
    31,384,815.80x = 47,077,223.70 × 27,479,708.60
  4. Step 4: Simplify right side
    31,384,815.80x = 1,293,668,388,973,014
  5. Step 5: Solve for x
    x = 1,293,668,388,973,014/31,384,815.80
  6. Step 6: Final answer
    x = 41,219,562.90

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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.