Home / 11,179,970.40-16,769,955.60-3,991,738.80

Finding the Fourth Proportional to 11,179,970.40, 16,769,955.60 and 3,991,738.80

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Solution

The fourth proportional to 11,179,970.40, 16,769,955.60 and 3,991,738.80 is: 5,987,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179,970.40 : 16,769,955.60 = 3,991,738.80 : x
  2. Step 2: Convert to fraction form
    11,179,970.40/16,769,955.60 = 3,991,738.80/x
  3. Step 3: Cross multiply
    11,179,970.40x = 16,769,955.60 × 3,991,738.80
  4. Step 4: Simplify right side
    11,179,970.40x = 66,941,282,442,797.27
  5. Step 5: Solve for x
    x = 66,941,282,442,797.27/11,179,970.40
  6. Step 6: Final answer
    x = 5,987,608.20

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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.