Home / 21,049,343.10-29,048,093.10-11,391,551.10

Finding the Fourth Proportional to 21,049,343.10, 29,048,093.10 and 11,391,551.10

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Solution

The fourth proportional to 21,049,343.10, 29,048,093.10 and 11,391,551.10 is: 15,720,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,343.10 : 29,048,093.10 = 11,391,551.10 : x
  2. Step 2: Convert to fraction form
    21,049,343.10/29,048,093.10 = 11,391,551.10/x
  3. Step 3: Cross multiply
    21,049,343.10x = 29,048,093.10 × 11,391,551.10
  4. Step 4: Simplify right side
    21,049,343.10x = 330,902,836,906,207.44
  5. Step 5: Solve for x
    x = 330,902,836,906,207.44/21,049,343.10
  6. Step 6: Final answer
    x = 15,720,340.31

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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.