Home / 10,693,914.20-16,040,871.30-7,824,132.80

Finding the Fourth Proportional to 10,693,914.20, 16,040,871.30 and 7,824,132.80

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Solution

The fourth proportional to 10,693,914.20, 16,040,871.30 and 7,824,132.80 is: 11,736,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,914.20 : 16,040,871.30 = 7,824,132.80 : x
  2. Step 2: Convert to fraction form
    10,693,914.20/16,040,871.30 = 7,824,132.80/x
  3. Step 3: Cross multiply
    10,693,914.20x = 16,040,871.30 × 7,824,132.80
  4. Step 4: Simplify right side
    10,693,914.20x = 125,505,907,278,908.64
  5. Step 5: Solve for x
    x = 125,505,907,278,908.64/10,693,914.20
  6. Step 6: Final answer
    x = 11,736,199.20

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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.