Home / 18,321,944.70-27,475,918.65-5,538,200.70

Finding the Fourth Proportional to 18,321,944.70, 27,475,918.65 and 5,538,200.70

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Solution

The fourth proportional to 18,321,944.70, 27,475,918.65 and 5,538,200.70 is: 8,305,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,944.70 : 27,475,918.65 = 5,538,200.70 : x
  2. Step 2: Convert to fraction form
    18,321,944.70/27,475,918.65 = 5,538,200.70/x
  3. Step 3: Cross multiply
    18,321,944.70x = 27,475,918.65 × 5,538,200.70
  4. Step 4: Simplify right side
    18,321,944.70x = 152,167,151,900,573.06
  5. Step 5: Solve for x
    x = 152,167,151,900,573.06/18,321,944.70
  6. Step 6: Final answer
    x = 8,305,185.63

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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.