Home / 51,084,382.41-76,581,015.62-18,728,745.30

Finding the Fourth Proportional to 51,084,382.41, 76,581,015.62 and 18,728,745.30

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Solution

The fourth proportional to 51,084,382.41, 76,581,015.62 and 18,728,745.30 is: 28,076,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084,382.41 : 76,581,015.62 = 18,728,745.30 : x
  2. Step 2: Convert to fraction form
    51,084,382.41/76,581,015.62 = 18,728,745.30/x
  3. Step 3: Cross multiply
    51,084,382.41x = 76,581,015.62 × 18,728,745.30
  4. Step 4: Simplify right side
    51,084,382.41x = 1,434,266,336,268,657.75
  5. Step 5: Solve for x
    x = 1,434,266,336,268,657.75/51,084,382.41
  6. Step 6: Final answer
    x = 28,076,415.31

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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.