Home / 13,901,077.80-20,851,616.70-11,491,878.60

Finding the Fourth Proportional to 13,901,077.80, 20,851,616.70 and 11,491,878.60

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Solution

The fourth proportional to 13,901,077.80, 20,851,616.70 and 11,491,878.60 is: 17,237,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,077.80 : 20,851,616.70 = 11,491,878.60 : x
  2. Step 2: Convert to fraction form
    13,901,077.80/20,851,616.70 = 11,491,878.60/x
  3. Step 3: Cross multiply
    13,901,077.80x = 20,851,616.70 × 11,491,878.60
  4. Step 4: Simplify right side
    13,901,077.80x = 239,624,247,730,132.59
  5. Step 5: Solve for x
    x = 239,624,247,730,132.59/13,901,077.80
  6. Step 6: Final answer
    x = 17,237,817.90

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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.