Home / 21,744,286.82-29,982,462.62-13,893,426.90

Finding the Fourth Proportional to 21,744,286.82, 29,982,462.62 and 13,893,426.90

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Solution

The fourth proportional to 21,744,286.82, 29,982,462.62 and 13,893,426.90 is: 19,157,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744,286.82 : 29,982,462.62 = 13,893,426.90 : x
  2. Step 2: Convert to fraction form
    21,744,286.82/29,982,462.62 = 13,893,426.90/x
  3. Step 3: Cross multiply
    21,744,286.82x = 29,982,462.62 × 13,893,426.90
  4. Step 4: Simplify right side
    21,744,286.82x = 416,559,152,692,952.50
  5. Step 5: Solve for x
    x = 416,559,152,692,952.50/21,744,286.82
  6. Step 6: Final answer
    x = 19,157,177.06

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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.