Home / 8,156,791.09-11,256,147.21-4,485,707.65

Finding the Fourth Proportional to 8,156,791.09, 11,256,147.21 and 4,485,707.65

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Solution

The fourth proportional to 8,156,791.09, 11,256,147.21 and 4,485,707.65 is: 6,190,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,791.09 : 11,256,147.21 = 4,485,707.65 : x
  2. Step 2: Convert to fraction form
    8,156,791.09/11,256,147.21 = 4,485,707.65/x
  3. Step 3: Cross multiply
    8,156,791.09x = 11,256,147.21 × 4,485,707.65
  4. Step 4: Simplify right side
    8,156,791.09x = 50,491,785,649,423.16
  5. Step 5: Solve for x
    x = 50,491,785,649,423.16/8,156,791.09
  6. Step 6: Final answer
    x = 6,190,153.10

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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.