Home / 7,952,486.40-11,930,716.80-2,561,644.80

Finding the Fourth Proportional to 7,952,486.40, 11,930,716.80 and 2,561,644.80

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Solution

The fourth proportional to 7,952,486.40, 11,930,716.80 and 2,561,644.80 is: 3,843,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952,486.40 : 11,930,716.80 = 2,561,644.80 : x
  2. Step 2: Convert to fraction form
    7,952,486.40/11,930,716.80 = 2,561,644.80/x
  3. Step 3: Cross multiply
    7,952,486.40x = 11,930,716.80 × 2,561,644.80
  4. Step 4: Simplify right side
    7,952,486.40x = 30,562,258,650,992.64
  5. Step 5: Solve for x
    x = 30,562,258,650,992.64/7,952,486.40
  6. Step 6: Final answer
    x = 3,843,107.31

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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.