Home / 22,431,961.72-30,966,440.70-13,138,242.04

Finding the Fourth Proportional to 22,431,961.72, 30,966,440.70 and 13,138,242.04

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Solution

The fourth proportional to 22,431,961.72, 30,966,440.70 and 13,138,242.04 is: 18,136,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431,961.72 : 30,966,440.70 = 13,138,242.04 : x
  2. Step 2: Convert to fraction form
    22,431,961.72/30,966,440.70 = 13,138,242.04/x
  3. Step 3: Cross multiply
    22,431,961.72x = 30,966,440.70 × 13,138,242.04
  4. Step 4: Simplify right side
    22,431,961.72x = 406,844,593,033,907
  5. Step 5: Solve for x
    x = 406,844,593,033,907/22,431,961.72
  6. Step 6: Final answer
    x = 18,136,826.29

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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.