Home / 21,266,921.82-29,344,480.83-11,973,046.62

Finding the Fourth Proportional to 21,266,921.82, 29,344,480.83 and 11,973,046.62

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Solution

The fourth proportional to 21,266,921.82, 29,344,480.83 and 11,973,046.62 is: 16,520,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,921.82 : 29,344,480.83 = 11,973,046.62 : x
  2. Step 2: Convert to fraction form
    21,266,921.82/29,344,480.83 = 11,973,046.62/x
  3. Step 3: Cross multiply
    21,266,921.82x = 29,344,480.83 × 11,973,046.62
  4. Step 4: Simplify right side
    21,266,921.82x = 351,342,837,017,286.25
  5. Step 5: Solve for x
    x = 351,342,837,017,286.25/21,266,921.82
  6. Step 6: Final answer
    x = 16,520,624.85

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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.