Home / 6,989,757.73-9,645,555.41-3,892,440.85

Finding the Fourth Proportional to 6,989,757.73, 9,645,555.41 and 3,892,440.85

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Solution

The fourth proportional to 6,989,757.73, 9,645,555.41 and 3,892,440.85 is: 5,371,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,757.73 : 9,645,555.41 = 3,892,440.85 : x
  2. Step 2: Convert to fraction form
    6,989,757.73/9,645,555.41 = 3,892,440.85/x
  3. Step 3: Cross multiply
    6,989,757.73x = 9,645,555.41 × 3,892,440.85
  4. Step 4: Simplify right side
    6,989,757.73x = 37,544,753,879,360.29
  5. Step 5: Solve for x
    x = 37,544,753,879,360.29/6,989,757.73
  6. Step 6: Final answer
    x = 5,371,395.59

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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.