Home / 6,872,942.70-10,309,414.05-3,837,192.30

Finding the Fourth Proportional to 6,872,942.70, 10,309,414.05 and 3,837,192.30

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Solution

The fourth proportional to 6,872,942.70, 10,309,414.05 and 3,837,192.30 is: 5,755,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,942.70 : 10,309,414.05 = 3,837,192.30 : x
  2. Step 2: Convert to fraction form
    6,872,942.70/10,309,414.05 = 3,837,192.30/x
  3. Step 3: Cross multiply
    6,872,942.70x = 10,309,414.05 × 3,837,192.30
  4. Step 4: Simplify right side
    6,872,942.70x = 39,559,204,210,171.81
  5. Step 5: Solve for x
    x = 39,559,204,210,171.81/6,872,942.70
  6. Step 6: Final answer
    x = 5,755,788.45

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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.