Home / 13,892,127.53-19,165,029.35-8,382,429.36

Finding the Fourth Proportional to 13,892,127.53, 19,165,029.35 and 8,382,429.36

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Solution

The fourth proportional to 13,892,127.53, 19,165,029.35 and 8,382,429.36 is: 11,564,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,127.53 : 19,165,029.35 = 8,382,429.36 : x
  2. Step 2: Convert to fraction form
    13,892,127.53/19,165,029.35 = 8,382,429.36/x
  3. Step 3: Cross multiply
    13,892,127.53x = 19,165,029.35 × 8,382,429.36
  4. Step 4: Simplify right side
    13,892,127.53x = 160,649,504,666,789.56
  5. Step 5: Solve for x
    x = 160,649,504,666,789.56/13,892,127.53
  6. Step 6: Final answer
    x = 11,564,067.81

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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.