Home / 6,872,945.70-10,309,418.55-3,837,195.30

Finding the Fourth Proportional to 6,872,945.70, 10,309,418.55 and 3,837,195.30

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Solution

The fourth proportional to 6,872,945.70, 10,309,418.55 and 3,837,195.30 is: 5,755,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,945.70 : 10,309,418.55 = 3,837,195.30 : x
  2. Step 2: Convert to fraction form
    6,872,945.70/10,309,418.55 = 3,837,195.30/x
  3. Step 3: Cross multiply
    6,872,945.70x = 10,309,418.55 × 3,837,195.30
  4. Step 4: Simplify right side
    6,872,945.70x = 39,559,252,405,792.81
  5. Step 5: Solve for x
    x = 39,559,252,405,792.81/6,872,945.70
  6. Step 6: Final answer
    x = 5,755,792.95

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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.