Home / 27,936,187.20-41,904,280.80-18,978,235.20

Finding the Fourth Proportional to 27,936,187.20, 41,904,280.80 and 18,978,235.20

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Solution

The fourth proportional to 27,936,187.20, 41,904,280.80 and 18,978,235.20 is: 28,467,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936,187.20 : 41,904,280.80 = 18,978,235.20 : x
  2. Step 2: Convert to fraction form
    27,936,187.20/41,904,280.80 = 18,978,235.20/x
  3. Step 3: Cross multiply
    27,936,187.20x = 41,904,280.80 × 18,978,235.20
  4. Step 4: Simplify right side
    27,936,187.20x = 795,269,296,909,244.12
  5. Step 5: Solve for x
    x = 795,269,296,909,244.12/27,936,187.20
  6. Step 6: Final answer
    x = 28,467,352.80

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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.