Home / 11,628,907.89-17,443,842.81-3,431,550.21

Finding the Fourth Proportional to 11,628,907.89, 17,443,842.81 and 3,431,550.21

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Solution

The fourth proportional to 11,628,907.89, 17,443,842.81 and 3,431,550.21 is: 5,147,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628,907.89 : 17,443,842.81 = 3,431,550.21 : x
  2. Step 2: Convert to fraction form
    11,628,907.89/17,443,842.81 = 3,431,550.21/x
  3. Step 3: Cross multiply
    11,628,907.89x = 17,443,842.81 × 3,431,550.21
  4. Step 4: Simplify right side
    11,628,907.89x = 59,859,422,457,862.48
  5. Step 5: Solve for x
    x = 59,859,422,457,862.48/11,628,907.89
  6. Step 6: Final answer
    x = 5,147,467.24

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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.