Home / 12,382,890.76-17,087,451.78-6,949,333

Finding the Fourth Proportional to 12,382,890.76, 17,087,451.78 and 6,949,333

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Solution

The fourth proportional to 12,382,890.76, 17,087,451.78 and 6,949,333 is: 9,589,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,890.76 : 17,087,451.78 = 6,949,333 : x
  2. Step 2: Convert to fraction form
    12,382,890.76/17,087,451.78 = 6,949,333/x
  3. Step 3: Cross multiply
    12,382,890.76x = 17,087,451.78 × 6,949,333
  4. Step 4: Simplify right side
    12,382,890.76x = 118,746,392,540,662.75
  5. Step 5: Solve for x
    x = 118,746,392,540,662.75/12,382,890.76
  6. Step 6: Final answer
    x = 9,589,553.43

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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.