Home / 12,868,778.68-19,303,151.72-3,284,157.42

Finding the Fourth Proportional to 12,868,778.68, 19,303,151.72 and 3,284,157.42

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Solution

The fourth proportional to 12,868,778.68, 19,303,151.72 and 3,284,157.42 is: 4,926,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,778.68 : 19,303,151.72 = 3,284,157.42 : x
  2. Step 2: Convert to fraction form
    12,868,778.68/19,303,151.72 = 3,284,157.42/x
  3. Step 3: Cross multiply
    12,868,778.68x = 19,303,151.72 × 3,284,157.42
  4. Step 4: Simplify right side
    12,868,778.68x = 63,394,588,934,202.98
  5. Step 5: Solve for x
    x = 63,394,588,934,202.98/12,868,778.68
  6. Step 6: Final answer
    x = 4,926,231.97

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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.