Home / 18,179,675.40-27,269,513.10-11,377,230.60

Finding the Fourth Proportional to 18,179,675.40, 27,269,513.10 and 11,377,230.60

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Solution

The fourth proportional to 18,179,675.40, 27,269,513.10 and 11,377,230.60 is: 17,065,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,675.40 : 27,269,513.10 = 11,377,230.60 : x
  2. Step 2: Convert to fraction form
    18,179,675.40/27,269,513.10 = 11,377,230.60/x
  3. Step 3: Cross multiply
    18,179,675.40x = 27,269,513.10 × 11,377,230.60
  4. Step 4: Simplify right side
    18,179,675.40x = 310,251,538,888,420.88
  5. Step 5: Solve for x
    x = 310,251,538,888,420.88/18,179,675.40
  6. Step 6: Final answer
    x = 17,065,845.90

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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.