Home / 13,023,665.70-17,972,707.05-7,222,983.54

Finding the Fourth Proportional to 13,023,665.70, 17,972,707.05 and 7,222,983.54

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Solution

The fourth proportional to 13,023,665.70, 17,972,707.05 and 7,222,983.54 is: 9,967,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,665.70 : 17,972,707.05 = 7,222,983.54 : x
  2. Step 2: Convert to fraction form
    13,023,665.70/17,972,707.05 = 7,222,983.54/x
  3. Step 3: Cross multiply
    13,023,665.70x = 17,972,707.05 × 7,222,983.54
  4. Step 4: Simplify right side
    13,023,665.70x = 129,816,567,191,391.97
  5. Step 5: Solve for x
    x = 129,816,567,191,391.97/13,023,665.70
  6. Step 6: Final answer
    x = 9,967,744.12

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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.