Home / 17,012,721.90-23,479,377.03-10,401,189.78

Finding the Fourth Proportional to 17,012,721.90, 23,479,377.03 and 10,401,189.78

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Solution

The fourth proportional to 17,012,721.90, 23,479,377.03 and 10,401,189.78 is: 14,354,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012,721.90 : 23,479,377.03 = 10,401,189.78 : x
  2. Step 2: Convert to fraction form
    17,012,721.90/23,479,377.03 = 10,401,189.78/x
  3. Step 3: Cross multiply
    17,012,721.90x = 23,479,377.03 × 10,401,189.78
  4. Step 4: Simplify right side
    17,012,721.90x = 244,213,456,405,202.75
  5. Step 5: Solve for x
    x = 244,213,456,405,202.75/17,012,721.90
  6. Step 6: Final answer
    x = 14,354,755.10

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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.