Home / 13,028,018.32-19,542,167.80-3,930,194.73

Finding the Fourth Proportional to 13,028,018.32, 19,542,167.80 and 3,930,194.73

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Solution

The fourth proportional to 13,028,018.32, 19,542,167.80 and 3,930,194.73 is: 5,895,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,018.32 : 19,542,167.80 = 3,930,194.73 : x
  2. Step 2: Convert to fraction form
    13,028,018.32/19,542,167.80 = 3,930,194.73/x
  3. Step 3: Cross multiply
    13,028,018.32x = 19,542,167.80 × 3,930,194.73
  4. Step 4: Simplify right side
    13,028,018.32x = 76,804,524,880,684.73
  5. Step 5: Solve for x
    x = 76,804,524,880,684.73/13,028,018.32
  6. Step 6: Final answer
    x = 5,895,334.42

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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.