Home / 18,365,456.82-27,548,205.81-4,718,716.26

Finding the Fourth Proportional to 18,365,456.82, 27,548,205.81 and 4,718,716.26

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Solution

The fourth proportional to 18,365,456.82, 27,548,205.81 and 4,718,716.26 is: 7,078,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,456.82 : 27,548,205.81 = 4,718,716.26 : x
  2. Step 2: Convert to fraction form
    18,365,456.82/27,548,205.81 = 4,718,716.26/x
  3. Step 3: Cross multiply
    18,365,456.82x = 27,548,205.81 × 4,718,716.26
  4. Step 4: Simplify right side
    18,365,456.82x = 129,992,166,689,473.45
  5. Step 5: Solve for x
    x = 129,992,166,689,473.45/18,365,456.82
  6. Step 6: Final answer
    x = 7,078,079.68

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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.