Home / 31,478,884.65-43,440,949.23-18,250,632.27

Finding the Fourth Proportional to 31,478,884.65, 43,440,949.23 and 18,250,632.27

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Solution

The fourth proportional to 31,478,884.65, 43,440,949.23 and 18,250,632.27 is: 25,185,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,884.65 : 43,440,949.23 = 18,250,632.27 : x
  2. Step 2: Convert to fraction form
    31,478,884.65/43,440,949.23 = 18,250,632.27/x
  3. Step 3: Cross multiply
    31,478,884.65x = 43,440,949.23 × 18,250,632.27
  4. Step 4: Simplify right side
    31,478,884.65x = 792,824,789,856,469.62
  5. Step 5: Solve for x
    x = 792,824,789,856,469.62/31,478,884.65
  6. Step 6: Final answer
    x = 25,185,923.79

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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.