Home / 12,838,853.58-17,707,286.55-11,286,796.86

Finding the Fourth Proportional to 12,838,853.58, 17,707,286.55 and 11,286,796.86

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Solution

The fourth proportional to 12,838,853.58, 17,707,286.55 and 11,286,796.86 is: 15,566,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,853.58 : 17,707,286.55 = 11,286,796.86 : x
  2. Step 2: Convert to fraction form
    12,838,853.58/17,707,286.55 = 11,286,796.86/x
  3. Step 3: Cross multiply
    12,838,853.58x = 17,707,286.55 × 11,286,796.86
  4. Step 4: Simplify right side
    12,838,853.58x = 199,858,546,231,660.22
  5. Step 5: Solve for x
    x = 199,858,546,231,660.22/12,838,853.58
  6. Step 6: Final answer
    x = 15,566,697.21

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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.