Home / 15,790,065.17-21,789,264.92-9,174,067.58

Finding the Fourth Proportional to 15,790,065.17, 21,789,264.92 and 9,174,067.58

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Solution

The fourth proportional to 15,790,065.17, 21,789,264.92 and 9,174,067.58 is: 12,659,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,065.17 : 21,789,264.92 = 9,174,067.58 : x
  2. Step 2: Convert to fraction form
    15,790,065.17/21,789,264.92 = 9,174,067.58/x
  3. Step 3: Cross multiply
    15,790,065.17x = 21,789,264.92 × 9,174,067.58
  4. Step 4: Simplify right side
    15,790,065.17x = 199,896,188,739,786.59
  5. Step 5: Solve for x
    x = 199,896,188,739,786.59/15,790,065.17
  6. Step 6: Final answer
    x = 12,659,617.72

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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.