Home / 18,181,490.67-25,090,987.04-9,922,084.97

Finding the Fourth Proportional to 18,181,490.67, 25,090,987.04 and 9,922,084.97

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Solution

The fourth proportional to 18,181,490.67, 25,090,987.04 and 9,922,084.97 is: 13,692,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,490.67 : 25,090,987.04 = 9,922,084.97 : x
  2. Step 2: Convert to fraction form
    18,181,490.67/25,090,987.04 = 9,922,084.97/x
  3. Step 3: Cross multiply
    18,181,490.67x = 25,090,987.04 × 9,922,084.97
  4. Step 4: Simplify right side
    18,181,490.67x = 248,954,905,216,983.44
  5. Step 5: Solve for x
    x = 248,954,905,216,983.44/18,181,490.67
  6. Step 6: Final answer
    x = 13,692,766.44

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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.