Home / 15,824,404.42-21,838,593.26-8,855,021.05

Finding the Fourth Proportional to 15,824,404.42, 21,838,593.26 and 8,855,021.05

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Solution

The fourth proportional to 15,824,404.42, 21,838,593.26 and 8,855,021.05 is: 12,220,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824,404.42 : 21,838,593.26 = 8,855,021.05 : x
  2. Step 2: Convert to fraction form
    15,824,404.42/21,838,593.26 = 8,855,021.05/x
  3. Step 3: Cross multiply
    15,824,404.42x = 21,838,593.26 × 8,855,021.05
  4. Step 4: Simplify right side
    15,824,404.42x = 193,381,202,987,229.19
  5. Step 5: Solve for x
    x = 193,381,202,987,229.19/15,824,404.42
  6. Step 6: Final answer
    x = 12,220,441.15

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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.