Home / 7,686,647.70-11,529,993.43-2,222,187.36

Finding the Fourth Proportional to 7,686,647.70, 11,529,993.43 and 2,222,187.36

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Solution

The fourth proportional to 7,686,647.70, 11,529,993.43 and 2,222,187.36 is: 3,333,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,647.70 : 11,529,993.43 = 2,222,187.36 : x
  2. Step 2: Convert to fraction form
    7,686,647.70/11,529,993.43 = 2,222,187.36/x
  3. Step 3: Cross multiply
    7,686,647.70x = 11,529,993.43 × 2,222,187.36
  4. Step 4: Simplify right side
    7,686,647.70x = 25,621,805,685,425.52
  5. Step 5: Solve for x
    x = 25,621,805,685,425.52/7,686,647.70
  6. Step 6: Final answer
    x = 3,333,287.37

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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.