Home / 39,914,487.91-55,078,694.23-22,515,109.57

Finding the Fourth Proportional to 39,914,487.91, 55,078,694.23 and 22,515,109.57

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Solution

The fourth proportional to 39,914,487.91, 55,078,694.23 and 22,515,109.57 is: 31,068,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914,487.91 : 55,078,694.23 = 22,515,109.57 : x
  2. Step 2: Convert to fraction form
    39,914,487.91/55,078,694.23 = 22,515,109.57/x
  3. Step 3: Cross multiply
    39,914,487.91x = 55,078,694.23 × 22,515,109.57
  4. Step 4: Simplify right side
    39,914,487.91x = 1,240,102,835,173,007.75
  5. Step 5: Solve for x
    x = 1,240,102,835,173,007.75/39,914,487.91
  6. Step 6: Final answer
    x = 31,068,990.24

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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.