Home / 39,875,894.33-55,028,783.48-21,541,179.83

Finding the Fourth Proportional to 39,875,894.33, 55,028,783.48 and 21,541,179.83

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Solution

The fourth proportional to 39,875,894.33, 55,028,783.48 and 21,541,179.83 is: 29,726,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875,894.33 : 55,028,783.48 = 21,541,179.83 : x
  2. Step 2: Convert to fraction form
    39,875,894.33/55,028,783.48 = 21,541,179.83/x
  3. Step 3: Cross multiply
    39,875,894.33x = 55,028,783.48 × 21,541,179.83
  4. Step 4: Simplify right side
    39,875,894.33x = 1,185,384,920,385,963.50
  5. Step 5: Solve for x
    x = 1,185,384,920,385,963.50/39,875,894.33
  6. Step 6: Final answer
    x = 29,726,854.79

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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.