Home / 21,632,918.82-29,853,434.69-11,843,984.73

Finding the Fourth Proportional to 21,632,918.82, 29,853,434.69 and 11,843,984.73

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Solution

The fourth proportional to 21,632,918.82, 29,853,434.69 and 11,843,984.73 is: 16,344,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,918.82 : 29,853,434.69 = 11,843,984.73 : x
  2. Step 2: Convert to fraction form
    21,632,918.82/29,853,434.69 = 11,843,984.73/x
  3. Step 3: Cross multiply
    21,632,918.82x = 29,853,434.69 × 11,843,984.73
  4. Step 4: Simplify right side
    21,632,918.82x = 353,583,624,606,412.31
  5. Step 5: Solve for x
    x = 353,583,624,606,412.31/21,632,918.82
  6. Step 6: Final answer
    x = 16,344,702.61

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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.