Home / 27,682,036.72-38,202,371.30-15,921,308.32

Finding the Fourth Proportional to 27,682,036.72, 38,202,371.30 and 15,921,308.32

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Solution

The fourth proportional to 27,682,036.72, 38,202,371.30 and 15,921,308.32 is: 21,972,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682,036.72 : 38,202,371.30 = 15,921,308.32 : x
  2. Step 2: Convert to fraction form
    27,682,036.72/38,202,371.30 = 15,921,308.32/x
  3. Step 3: Cross multiply
    27,682,036.72x = 38,202,371.30 × 15,921,308.32
  4. Step 4: Simplify right side
    27,682,036.72x = 608,231,732,022,419.12
  5. Step 5: Solve for x
    x = 608,231,732,022,419.12/27,682,036.72
  6. Step 6: Final answer
    x = 21,972,073.02

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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.