Home / 31,478,825.50-43,440,867.29-18,250,573.06

Finding the Fourth Proportional to 31,478,825.50, 43,440,867.29 and 18,250,573.06

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Solution

The fourth proportional to 31,478,825.50, 43,440,867.29 and 18,250,573.06 is: 25,185,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,825.50 : 43,440,867.29 = 18,250,573.06 : x
  2. Step 2: Convert to fraction form
    31,478,825.50/43,440,867.29 = 18,250,573.06/x
  3. Step 3: Cross multiply
    31,478,825.50x = 43,440,867.29 × 18,250,573.06
  4. Step 4: Simplify right side
    31,478,825.50x = 792,820,722,365,836.75
  5. Step 5: Solve for x
    x = 792,820,722,365,836.75/31,478,825.50
  6. Step 6: Final answer
    x = 25,185,841.91

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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.