Home / 31,409,251.13-43,344,765.36-18,367,467.56

Finding the Fourth Proportional to 31,409,251.13, 43,344,765.36 and 18,367,467.56

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Solution

The fourth proportional to 31,409,251.13, 43,344,765.36 and 18,367,467.56 is: 25,347,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,251.13 : 43,344,765.36 = 18,367,467.56 : x
  2. Step 2: Convert to fraction form
    31,409,251.13/43,344,765.36 = 18,367,467.56/x
  3. Step 3: Cross multiply
    31,409,251.13x = 43,344,765.36 × 18,367,467.56
  4. Step 4: Simplify right side
    31,409,251.13x = 796,133,571,591,430.75
  5. Step 5: Solve for x
    x = 796,133,571,591,430.75/31,409,251.13
  6. Step 6: Final answer
    x = 25,347,104.53

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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.