Home / 12,728,383.88-19,092,575.82-10,479,797.96

Finding the Fourth Proportional to 12,728,383.88, 19,092,575.82 and 10,479,797.96

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Solution

The fourth proportional to 12,728,383.88, 19,092,575.82 and 10,479,797.96 is: 15,719,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,383.88 : 19,092,575.82 = 10,479,797.96 : x
  2. Step 2: Convert to fraction form
    12,728,383.88/19,092,575.82 = 10,479,797.96/x
  3. Step 3: Cross multiply
    12,728,383.88x = 19,092,575.82 × 10,479,797.96
  4. Step 4: Simplify right side
    12,728,383.88x = 200,086,337,129,581.34
  5. Step 5: Solve for x
    x = 200,086,337,129,581.34/12,728,383.88
  6. Step 6: Final answer
    x = 15,719,696.94

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.