Home / 39,786,979.72-54,903,787.86-22,384,058.44

Finding the Fourth Proportional to 39,786,979.72, 54,903,787.86 and 22,384,058.44

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Solution

The fourth proportional to 39,786,979.72, 54,903,787.86 and 22,384,058.44 is: 30,888,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,979.72 : 54,903,787.86 = 22,384,058.44 : x
  2. Step 2: Convert to fraction form
    39,786,979.72/54,903,787.86 = 22,384,058.44/x
  3. Step 3: Cross multiply
    39,786,979.72x = 54,903,787.86 × 22,384,058.44
  4. Step 4: Simplify right side
    39,786,979.72x = 1,228,969,596,035,602.50
  5. Step 5: Solve for x
    x = 1,228,969,596,035,602.50/39,786,979.72
  6. Step 6: Final answer
    x = 30,888,738.09

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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.