Home / 18,188,335.86-27,280,292.49-11,365,517.94

Finding the Fourth Proportional to 18,188,335.86, 27,280,292.49 and 11,365,517.94

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Solution

The fourth proportional to 18,188,335.86, 27,280,292.49 and 11,365,517.94 is: 17,046,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,335.86 : 27,280,292.49 = 11,365,517.94 : x
  2. Step 2: Convert to fraction form
    18,188,335.86/27,280,292.49 = 11,365,517.94/x
  3. Step 3: Cross multiply
    18,188,335.86x = 27,280,292.49 × 11,365,517.94
  4. Step 4: Simplify right side
    18,188,335.86x = 310,054,653,703,542.25
  5. Step 5: Solve for x
    x = 310,054,653,703,542.25/18,188,335.86
  6. Step 6: Final answer
    x = 17,046,895.11

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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.