Home / 18,679,216.55-28,022,884.43-5,725,415.97

Finding the Fourth Proportional to 18,679,216.55, 28,022,884.43 and 5,725,415.97

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Solution

The fourth proportional to 18,679,216.55, 28,022,884.43 and 5,725,415.97 is: 8,589,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,216.55 : 28,022,884.43 = 5,725,415.97 : x
  2. Step 2: Convert to fraction form
    18,679,216.55/28,022,884.43 = 5,725,415.97/x
  3. Step 3: Cross multiply
    18,679,216.55x = 28,022,884.43 × 5,725,415.97
  4. Step 4: Simplify right side
    18,679,216.55x = 160,442,670,012,359.25
  5. Step 5: Solve for x
    x = 160,442,670,012,359.25/18,679,216.55
  6. Step 6: Final answer
    x = 8,589,368.28

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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.