Home / 12,661,784.11-17,479,286.71-8,482,664.94

Finding the Fourth Proportional to 12,661,784.11, 17,479,286.71 and 8,482,664.94

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Solution

The fourth proportional to 12,661,784.11, 17,479,286.71 and 8,482,664.94 is: 11,710,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,784.11 : 17,479,286.71 = 8,482,664.94 : x
  2. Step 2: Convert to fraction form
    12,661,784.11/17,479,286.71 = 8,482,664.94/x
  3. Step 3: Cross multiply
    12,661,784.11x = 17,479,286.71 × 8,482,664.94
  4. Step 4: Simplify right side
    12,661,784.11x = 148,270,932,551,124.94
  5. Step 5: Solve for x
    x = 148,270,932,551,124.94/12,661,784.11
  6. Step 6: Final answer
    x = 11,710,113.78

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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.