Home / 20,007,727.11-27,600,012.88-12,169,636.66

Finding the Fourth Proportional to 20,007,727.11, 27,600,012.88 and 12,169,636.66

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Solution

The fourth proportional to 20,007,727.11, 27,600,012.88 and 12,169,636.66 is: 16,787,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007,727.11 : 27,600,012.88 = 12,169,636.66 : x
  2. Step 2: Convert to fraction form
    20,007,727.11/27,600,012.88 = 12,169,636.66/x
  3. Step 3: Cross multiply
    20,007,727.11x = 27,600,012.88 × 12,169,636.66
  4. Step 4: Simplify right side
    20,007,727.11x = 335,882,128,422,920.06
  5. Step 5: Solve for x
    x = 335,882,128,422,920.06/20,007,727.11
  6. Step 6: Final answer
    x = 16,787,620.44

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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.