Home / 7,822,721.21-10,796,020.94-4,385,626.54

Finding the Fourth Proportional to 7,822,721.21, 10,796,020.94 and 4,385,626.54

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Solution

The fourth proportional to 7,822,721.21, 10,796,020.94 and 4,385,626.54 is: 6,052,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822,721.21 : 10,796,020.94 = 4,385,626.54 : x
  2. Step 2: Convert to fraction form
    7,822,721.21/10,796,020.94 = 4,385,626.54/x
  3. Step 3: Cross multiply
    7,822,721.21x = 10,796,020.94 × 4,385,626.54
  4. Step 4: Simplify right side
    7,822,721.21x = 47,347,315,944,833.76
  5. Step 5: Solve for x
    x = 47,347,315,944,833.76/7,822,721.21
  6. Step 6: Final answer
    x = 6,052,537.82

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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.