Home / 12,643,296.11-18,965,474.69-4,007,207.64

Finding the Fourth Proportional to 12,643,296.11, 18,965,474.69 and 4,007,207.64

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Solution

The fourth proportional to 12,643,296.11, 18,965,474.69 and 4,007,207.64 is: 6,010,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,296.11 : 18,965,474.69 = 4,007,207.64 : x
  2. Step 2: Convert to fraction form
    12,643,296.11/18,965,474.69 = 4,007,207.64/x
  3. Step 3: Cross multiply
    12,643,296.11x = 18,965,474.69 × 4,007,207.64
  4. Step 4: Simplify right side
    12,643,296.11x = 75,998,595,002,993.56
  5. Step 5: Solve for x
    x = 75,998,595,002,993.56/12,643,296.11
  6. Step 6: Final answer
    x = 6,010,979.60

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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.