Home / 18,751,052.36-28,127,661.26-7,236,579.37

Finding the Fourth Proportional to 18,751,052.36, 28,127,661.26 and 7,236,579.37

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Solution

The fourth proportional to 18,751,052.36, 28,127,661.26 and 7,236,579.37 is: 10,855,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,052.36 : 28,127,661.26 = 7,236,579.37 : x
  2. Step 2: Convert to fraction form
    18,751,052.36/28,127,661.26 = 7,236,579.37/x
  3. Step 3: Cross multiply
    18,751,052.36x = 28,127,661.26 × 7,236,579.37
  4. Step 4: Simplify right side
    18,751,052.36x = 203,548,053,200,464.22
  5. Step 5: Solve for x
    x = 203,548,053,200,464.22/18,751,052.36
  6. Step 6: Final answer
    x = 10,855,286.91

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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.