Home / 33,213,738.60-49,820,607.90-20,392,669.80

Finding the Fourth Proportional to 33,213,738.60, 49,820,607.90 and 20,392,669.80

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Solution

The fourth proportional to 33,213,738.60, 49,820,607.90 and 20,392,669.80 is: 30,589,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213,738.60 : 49,820,607.90 = 20,392,669.80 : x
  2. Step 2: Convert to fraction form
    33,213,738.60/49,820,607.90 = 20,392,669.80/x
  3. Step 3: Cross multiply
    33,213,738.60x = 49,820,607.90 × 20,392,669.80
  4. Step 4: Simplify right side
    33,213,738.60x = 1,015,975,206,139,971.38
  5. Step 5: Solve for x
    x = 1,015,975,206,139,971.38/33,213,738.60
  6. Step 6: Final answer
    x = 30,589,004.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.