Home / 18,331,845.18-25,297,539.56-9,958,998.62

Finding the Fourth Proportional to 18,331,845.18, 25,297,539.56 and 9,958,998.62

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Solution

The fourth proportional to 18,331,845.18, 25,297,539.56 and 9,958,998.62 is: 13,743,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,845.18 : 25,297,539.56 = 9,958,998.62 : x
  2. Step 2: Convert to fraction form
    18,331,845.18/25,297,539.56 = 9,958,998.62/x
  3. Step 3: Cross multiply
    18,331,845.18x = 25,297,539.56 × 9,958,998.62
  4. Step 4: Simplify right side
    18,331,845.18x = 251,938,161,567,435.38
  5. Step 5: Solve for x
    x = 251,938,161,567,435.38/18,331,845.18
  6. Step 6: Final answer
    x = 13,743,197.10

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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.