Home / 12,303,776.78-16,979,131.25-6,797,506.74

Finding the Fourth Proportional to 12,303,776.78, 16,979,131.25 and 6,797,506.74

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Solution

The fourth proportional to 12,303,776.78, 16,979,131.25 and 6,797,506.74 is: 9,380,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,776.78 : 16,979,131.25 = 6,797,506.74 : x
  2. Step 2: Convert to fraction form
    12,303,776.78/16,979,131.25 = 6,797,506.74/x
  3. Step 3: Cross multiply
    12,303,776.78x = 16,979,131.25 × 6,797,506.74
  4. Step 4: Simplify right side
    12,303,776.78x = 115,415,759,077,286.97
  5. Step 5: Solve for x
    x = 115,415,759,077,286.97/12,303,776.78
  6. Step 6: Final answer
    x = 9,380,514.71

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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.