Home / 13,218,286.53-19,826,493.79-3,502,684.42

Finding the Fourth Proportional to 13,218,286.53, 19,826,493.79 and 3,502,684.42

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Solution

The fourth proportional to 13,218,286.53, 19,826,493.79 and 3,502,684.42 is: 5,253,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218,286.53 : 19,826,493.79 = 3,502,684.42 : x
  2. Step 2: Convert to fraction form
    13,218,286.53/19,826,493.79 = 3,502,684.42/x
  3. Step 3: Cross multiply
    13,218,286.53x = 19,826,493.79 × 3,502,684.42
  4. Step 4: Simplify right side
    13,218,286.53x = 69,445,950,854,632.62
  5. Step 5: Solve for x
    x = 69,445,950,854,632.62/13,218,286.53
  6. Step 6: Final answer
    x = 5,253,778.60

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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.