Home / 21,018,958.25-29,006,180.49-11,726,530.11

Finding the Fourth Proportional to 21,018,958.25, 29,006,180.49 and 11,726,530.11

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Solution

The fourth proportional to 21,018,958.25, 29,006,180.49 and 11,726,530.11 is: 16,182,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,958.25 : 29,006,180.49 = 11,726,530.11 : x
  2. Step 2: Convert to fraction form
    21,018,958.25/29,006,180.49 = 11,726,530.11/x
  3. Step 3: Cross multiply
    21,018,958.25x = 29,006,180.49 × 11,726,530.11
  4. Step 4: Simplify right side
    21,018,958.25x = 340,141,848,936,054
  5. Step 5: Solve for x
    x = 340,141,848,936,054/21,018,958.25
  6. Step 6: Final answer
    x = 16,182,621.66

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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.