Home / 43,462,920.80-65,170,761.60-17,906,513.60

Finding the Fourth Proportional to 43,462,920.80, 65,170,761.60 and 17,906,513.60

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Solution

The fourth proportional to 43,462,920.80, 65,170,761.60 and 17,906,513.60 is: 26,850,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462,920.80 : 65,170,761.60 = 17,906,513.60 : x
  2. Step 2: Convert to fraction form
    43,462,920.80/65,170,761.60 = 17,906,513.60/x
  3. Step 3: Cross multiply
    43,462,920.80x = 65,170,761.60 × 17,906,513.60
  4. Step 4: Simplify right side
    43,462,920.80x = 1,166,981,128,912,758
  5. Step 5: Solve for x
    x = 1,166,981,128,912,758/43,462,920.80
  6. Step 6: Final answer
    x = 26,850,039.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.