Home / 7,856,215.54-10,846,558.56-5,379,580.65

Finding the Fourth Proportional to 7,856,215.54, 10,846,558.56 and 5,379,580.65

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Solution

The fourth proportional to 7,856,215.54, 10,846,558.56 and 5,379,580.65 is: 7,427,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,215.54 : 10,846,558.56 = 5,379,580.65 : x
  2. Step 2: Convert to fraction form
    7,856,215.54/10,846,558.56 = 5,379,580.65/x
  3. Step 3: Cross multiply
    7,856,215.54x = 10,846,558.56 × 5,379,580.65
  4. Step 4: Simplify right side
    7,856,215.54x = 58,349,936,568,859.78
  5. Step 5: Solve for x
    x = 58,349,936,568,859.78/7,856,215.54
  6. Step 6: Final answer
    x = 7,427,232.14

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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.