Home / 12,309,169.68-16,986,993.84-6,802,901.64

Finding the Fourth Proportional to 12,309,169.68, 16,986,993.84 and 6,802,901.64

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Solution

The fourth proportional to 12,309,169.68, 16,986,993.84 and 6,802,901.64 is: 9,388,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,169.68 : 16,986,993.84 = 6,802,901.64 : x
  2. Step 2: Convert to fraction form
    12,309,169.68/16,986,993.84 = 6,802,901.64/x
  3. Step 3: Cross multiply
    12,309,169.68x = 16,986,993.84 × 6,802,901.64
  4. Step 4: Simplify right side
    12,309,169.68x = 115,560,848,252,805.89
  5. Step 5: Solve for x
    x = 115,560,848,252,805.89/12,309,169.68
  6. Step 6: Final answer
    x = 9,388,191.99

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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.