Home / 13,394,321.88-20,086,661.40-4,638,229.38

Finding the Fourth Proportional to 13,394,321.88, 20,086,661.40 and 4,638,229.38

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Solution

The fourth proportional to 13,394,321.88, 20,086,661.40 and 4,638,229.38 is: 6,955,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,321.88 : 20,086,661.40 = 4,638,229.38 : x
  2. Step 2: Convert to fraction form
    13,394,321.88/20,086,661.40 = 4,638,229.38/x
  3. Step 3: Cross multiply
    13,394,321.88x = 20,086,661.40 × 4,638,229.38
  4. Step 4: Simplify right side
    13,394,321.88x = 93,166,543,051,591.92
  5. Step 5: Solve for x
    x = 93,166,543,051,591.92/13,394,321.88
  6. Step 6: Final answer
    x = 6,955,674.49

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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.