Home / 21,744,287.82-29,982,464.01-13,893,427.89

Finding the Fourth Proportional to 21,744,287.82, 29,982,464.01 and 13,893,427.89

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Solution

The fourth proportional to 21,744,287.82, 29,982,464.01 and 13,893,427.89 is: 19,157,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744,287.82 : 29,982,464.01 = 13,893,427.89 : x
  2. Step 2: Convert to fraction form
    21,744,287.82/29,982,464.01 = 13,893,427.89/x
  3. Step 3: Cross multiply
    21,744,287.82x = 29,982,464.01 × 13,893,427.89
  4. Step 4: Simplify right side
    21,744,287.82x = 416,559,201,687,455.25
  5. Step 5: Solve for x
    x = 416,559,201,687,455.25/21,744,287.82
  6. Step 6: Final answer
    x = 19,157,178.43

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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.