Home / 20,204,943.89-30,307,678.47-6,741,771.89

Finding the Fourth Proportional to 20,204,943.89, 30,307,678.47 and 6,741,771.89

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Solution

The fourth proportional to 20,204,943.89, 30,307,678.47 and 6,741,771.89 is: 10,112,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204,943.89 : 30,307,678.47 = 6,741,771.89 : x
  2. Step 2: Convert to fraction form
    20,204,943.89/30,307,678.47 = 6,741,771.89/x
  3. Step 3: Cross multiply
    20,204,943.89x = 30,307,678.47 × 6,741,771.89
  4. Step 4: Simplify right side
    20,204,943.89x = 204,327,454,760,204.19
  5. Step 5: Solve for x
    x = 204,327,454,760,204.19/20,204,943.89
  6. Step 6: Final answer
    x = 10,112,745.47

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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.