Home / 12,622,208.72-17,419,867.08-7,467,227.60

Finding the Fourth Proportional to 12,622,208.72, 17,419,867.08 and 7,467,227.60

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Solution

The fourth proportional to 12,622,208.72, 17,419,867.08 and 7,467,227.60 is: 10,305,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,208.72 : 17,419,867.08 = 7,467,227.60 : x
  2. Step 2: Convert to fraction form
    12,622,208.72/17,419,867.08 = 7,467,227.60/x
  3. Step 3: Cross multiply
    12,622,208.72x = 17,419,867.08 × 7,467,227.60
  4. Step 4: Simplify right side
    12,622,208.72x = 130,078,112,248,107.39
  5. Step 5: Solve for x
    x = 130,078,112,248,107.39/12,622,208.72
  6. Step 6: Final answer
    x = 10,305,495.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.