Home / 13,766,453.50-18,998,169.68-7,571,760.96

Finding the Fourth Proportional to 13,766,453.50, 18,998,169.68 and 7,571,760.96

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Solution

The fourth proportional to 13,766,453.50, 18,998,169.68 and 7,571,760.96 is: 10,449,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,453.50 : 18,998,169.68 = 7,571,760.96 : x
  2. Step 2: Convert to fraction form
    13,766,453.50/18,998,169.68 = 7,571,760.96/x
  3. Step 3: Cross multiply
    13,766,453.50x = 18,998,169.68 × 7,571,760.96
  4. Step 4: Simplify right side
    13,766,453.50x = 143,849,599,494,479.69
  5. Step 5: Solve for x
    x = 143,849,599,494,479.69/13,766,453.50
  6. Step 6: Final answer
    x = 10,449,285.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.