Home / 21,476,722.54-29,638,233.83-11,687,579.32

Finding the Fourth Proportional to 21,476,722.54, 29,638,233.83 and 11,687,579.32

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Solution

The fourth proportional to 21,476,722.54, 29,638,233.83 and 11,687,579.32 is: 16,129,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,722.54 : 29,638,233.83 = 11,687,579.32 : x
  2. Step 2: Convert to fraction form
    21,476,722.54/29,638,233.83 = 11,687,579.32/x
  3. Step 3: Cross multiply
    21,476,722.54x = 29,638,233.83 × 11,687,579.32
  4. Step 4: Simplify right side
    21,476,722.54x = 346,399,208,792,832.38
  5. Step 5: Solve for x
    x = 346,399,208,792,832.38/21,476,722.54
  6. Step 6: Final answer
    x = 16,129,053.59

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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.