Home / 21,081,832.64-29,091,721.91-11,662,061.64

Finding the Fourth Proportional to 21,081,832.64, 29,091,721.91 and 11,662,061.64

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Solution

The fourth proportional to 21,081,832.64, 29,091,721.91 and 11,662,061.64 is: 16,092,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,081,832.64 : 29,091,721.91 = 11,662,061.64 : x
  2. Step 2: Convert to fraction form
    21,081,832.64/29,091,721.91 = 11,662,061.64/x
  3. Step 3: Cross multiply
    21,081,832.64x = 29,091,721.91 × 11,662,061.64
  4. Step 4: Simplify right side
    21,081,832.64x = 339,269,454,026,353.38
  5. Step 5: Solve for x
    x = 339,269,454,026,353.38/21,081,832.64
  6. Step 6: Final answer
    x = 16,092,977.30

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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.