Home / 21,150,401-29,187,728.34-11,492,609

Finding the Fourth Proportional to 21,150,401, 29,187,728.34 and 11,492,609

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Solution

The fourth proportional to 21,150,401, 29,187,728.34 and 11,492,609 is: 15,859,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,401 : 29,187,728.34 = 11,492,609 : x
  2. Step 2: Convert to fraction form
    21,150,401/29,187,728.34 = 11,492,609/x
  3. Step 3: Cross multiply
    21,150,401x = 29,187,728.34 × 11,492,609
  4. Step 4: Simplify right side
    21,150,401x = 335,443,149,409,839.06
  5. Step 5: Solve for x
    x = 335,443,149,409,839.06/21,150,401
  6. Step 6: Final answer
    x = 15,859,895.49

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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.