Home / 31,628,898.71-43,647,557.53-17,690,220.54

Finding the Fourth Proportional to 31,628,898.71, 43,647,557.53 and 17,690,220.54

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Solution

The fourth proportional to 31,628,898.71, 43,647,557.53 and 17,690,220.54 is: 24,412,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,898.71 : 43,647,557.53 = 17,690,220.54 : x
  2. Step 2: Convert to fraction form
    31,628,898.71/43,647,557.53 = 17,690,220.54/x
  3. Step 3: Cross multiply
    31,628,898.71x = 43,647,557.53 × 17,690,220.54
  4. Step 4: Simplify right side
    31,628,898.71x = 772,134,918,738,037.62
  5. Step 5: Solve for x
    x = 772,134,918,738,037.62/31,628,898.71
  6. Step 6: Final answer
    x = 24,412,323.86

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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.