Home / 39,158,542.44-54,039,749.54-21,517,300.94

Finding the Fourth Proportional to 39,158,542.44, 54,039,749.54 and 21,517,300.94

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Solution

The fourth proportional to 39,158,542.44, 54,039,749.54 and 21,517,300.94 is: 29,694,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158,542.44 : 54,039,749.54 = 21,517,300.94 : x
  2. Step 2: Convert to fraction form
    39,158,542.44/54,039,749.54 = 21,517,300.94/x
  3. Step 3: Cross multiply
    39,158,542.44x = 54,039,749.54 × 21,517,300.94
  4. Step 4: Simplify right side
    39,158,542.44x = 1,162,789,553,196,621.25
  5. Step 5: Solve for x
    x = 1,162,789,553,196,621.25/39,158,542.44
  6. Step 6: Final answer
    x = 29,694,403.33

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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.