Home / 12,474,804.20-18,704,114.40-5,284,385.60

Finding the Fourth Proportional to 12,474,804.20, 18,704,114.40 and 5,284,385.60

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Solution

The fourth proportional to 12,474,804.20, 18,704,114.40 and 5,284,385.60 is: 7,923,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,804.20 : 18,704,114.40 = 5,284,385.60 : x
  2. Step 2: Convert to fraction form
    12,474,804.20/18,704,114.40 = 5,284,385.60/x
  3. Step 3: Cross multiply
    12,474,804.20x = 18,704,114.40 × 5,284,385.60
  4. Step 4: Simplify right side
    12,474,804.20x = 98,839,752,796,112.62
  5. Step 5: Solve for x
    x = 98,839,752,796,112.62/12,474,804.20
  6. Step 6: Final answer
    x = 7,923,150.63

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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.