Home / 13,023,666.70-17,972,708.43-7,222,984.54

Finding the Fourth Proportional to 13,023,666.70, 17,972,708.43 and 7,222,984.54

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Solution

The fourth proportional to 13,023,666.70, 17,972,708.43 and 7,222,984.54 is: 9,967,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,666.70 : 17,972,708.43 = 7,222,984.54 : x
  2. Step 2: Convert to fraction form
    13,023,666.70/17,972,708.43 = 7,222,984.54/x
  3. Step 3: Cross multiply
    13,023,666.70x = 17,972,708.43 × 7,222,984.54
  4. Step 4: Simplify right side
    13,023,666.70x = 129,816,595,131,817.67
  5. Step 5: Solve for x
    x = 129,816,595,131,817.67/13,023,666.70
  6. Step 6: Final answer
    x = 9,967,745.50

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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.