Home / 18,848,138.98-28,256,016.09-6,550,504.54

Finding the Fourth Proportional to 18,848,138.98, 28,256,016.09 and 6,550,504.54

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Solution

The fourth proportional to 18,848,138.98, 28,256,016.09 and 6,550,504.54 is: 9,820,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848,138.98 : 28,256,016.09 = 6,550,504.54 : x
  2. Step 2: Convert to fraction form
    18,848,138.98/28,256,016.09 = 6,550,504.54/x
  3. Step 3: Cross multiply
    18,848,138.98x = 28,256,016.09 × 6,550,504.54
  4. Step 4: Simplify right side
    18,848,138.98x = 185,091,161,679,858.06
  5. Step 5: Solve for x
    x = 185,091,161,679,858.06/18,848,138.98
  6. Step 6: Final answer
    x = 9,820,129.29

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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.