Home / 31,195,474.58-43,035,247.99-20,185,778.27

Finding the Fourth Proportional to 31,195,474.58, 43,035,247.99 and 20,185,778.27

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Solution

The fourth proportional to 31,195,474.58, 43,035,247.99 and 20,185,778.27 is: 27,846,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195,474.58 : 43,035,247.99 = 20,185,778.27 : x
  2. Step 2: Convert to fraction form
    31,195,474.58/43,035,247.99 = 20,185,778.27/x
  3. Step 3: Cross multiply
    31,195,474.58x = 43,035,247.99 × 20,185,778.27
  4. Step 4: Simplify right side
    31,195,474.58x = 868,699,973,853,423.62
  5. Step 5: Solve for x
    x = 868,699,973,853,423.62/31,195,474.58
  6. Step 6: Final answer
    x = 27,846,986.96

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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.