Home / 13,270,379.18-19,867,383.74-11,885,658.26

Finding the Fourth Proportional to 13,270,379.18, 19,867,383.74 and 11,885,658.26

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Solution

The fourth proportional to 13,270,379.18, 19,867,383.74 and 11,885,658.26 is: 17,794,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,379.18 : 19,867,383.74 = 11,885,658.26 : x
  2. Step 2: Convert to fraction form
    13,270,379.18/19,867,383.74 = 11,885,658.26/x
  3. Step 3: Cross multiply
    13,270,379.18x = 19,867,383.74 × 11,885,658.26
  4. Step 4: Simplify right side
    13,270,379.18x = 236,136,933,584,297.94
  5. Step 5: Solve for x
    x = 236,136,933,584,297.94/13,270,379.18
  6. Step 6: Final answer
    x = 17,794,286.85

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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.