Home / 6,647,709.12-9,171,799.20-4,066,699.20

Finding the Fourth Proportional to 6,647,709.12, 9,171,799.20 and 4,066,699.20

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Solution

The fourth proportional to 6,647,709.12, 9,171,799.20 and 4,066,699.20 is: 5,610,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,709.12 : 9,171,799.20 = 4,066,699.20 : x
  2. Step 2: Convert to fraction form
    6,647,709.12/9,171,799.20 = 4,066,699.20/x
  3. Step 3: Cross multiply
    6,647,709.12x = 9,171,799.20 × 4,066,699.20
  4. Step 4: Simplify right side
    6,647,709.12x = 37,298,948,469,200.64
  5. Step 5: Solve for x
    x = 37,298,948,469,200.64/6,647,709.12
  6. Step 6: Final answer
    x = 5,610,797.31

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1.5x scale

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.