Home / 43,660,816.20-65,491,418.70-11,310,420.60

Finding the Fourth Proportional to 43,660,816.20, 65,491,418.70 and 11,310,420.60

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Solution

The fourth proportional to 43,660,816.20, 65,491,418.70 and 11,310,420.60 is: 16,965,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660,816.20 : 65,491,418.70 = 11,310,420.60 : x
  2. Step 2: Convert to fraction form
    43,660,816.20/65,491,418.70 = 11,310,420.60/x
  3. Step 3: Cross multiply
    43,660,816.20x = 65,491,418.70 × 11,310,420.60
  4. Step 4: Simplify right side
    43,660,816.20x = 740,735,491,187,705.25
  5. Step 5: Solve for x
    x = 740,735,491,187,705.25/43,660,816.20
  6. Step 6: Final answer
    x = 16,965,681.26

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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.