Home / 21,727,541.82-29,976,592.08-13,464,589.20

Finding the Fourth Proportional to 21,727,541.82, 29,976,592.08 and 13,464,589.20

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Solution

The fourth proportional to 21,727,541.82, 29,976,592.08 and 13,464,589.20 is: 18,576,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,541.82 : 29,976,592.08 = 13,464,589.20 : x
  2. Step 2: Convert to fraction form
    21,727,541.82/29,976,592.08 = 13,464,589.20/x
  3. Step 3: Cross multiply
    21,727,541.82x = 29,976,592.08 × 13,464,589.20
  4. Step 4: Simplify right side
    21,727,541.82x = 403,622,497,905,850.56
  5. Step 5: Solve for x
    x = 403,622,497,905,850.56/21,727,541.82
  6. Step 6: Final answer
    x = 18,576,537.62

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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.