Home / 8,318,563.12-11,479,405.62-4,647,507.25

Finding the Fourth Proportional to 8,318,563.12, 11,479,405.62 and 4,647,507.25

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Solution

The fourth proportional to 8,318,563.12, 11,479,405.62 and 4,647,507.25 is: 6,413,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,563.12 : 11,479,405.62 = 4,647,507.25 : x
  2. Step 2: Convert to fraction form
    8,318,563.12/11,479,405.62 = 4,647,507.25/x
  3. Step 3: Cross multiply
    8,318,563.12x = 11,479,405.62 × 4,647,507.25
  4. Step 4: Simplify right side
    8,318,563.12x = 53,350,620,844,640.74
  5. Step 5: Solve for x
    x = 53,350,620,844,640.74/8,318,563.12
  6. Step 6: Final answer
    x = 6,413,441.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.