Home / 21,017,576.48-29,005,898.64-11,728,067.36

Finding the Fourth Proportional to 21,017,576.48, 29,005,898.64 and 11,728,067.36

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Solution

The fourth proportional to 21,017,576.48, 29,005,898.64 and 11,728,067.36 is: 16,185,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,576.48 : 29,005,898.64 = 11,728,067.36 : x
  2. Step 2: Convert to fraction form
    21,017,576.48/29,005,898.64 = 11,728,067.36/x
  3. Step 3: Cross multiply
    21,017,576.48x = 29,005,898.64 × 11,728,067.36
  4. Step 4: Simplify right side
    21,017,576.48x = 340,183,133,087,252.38
  5. Step 5: Solve for x
    x = 340,183,133,087,252.38/21,017,576.48
  6. Step 6: Final answer
    x = 16,185,649.83

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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.