Home / 8,109,338.46-11,190,916.74-4,388,169.48

Finding the Fourth Proportional to 8,109,338.46, 11,190,916.74 and 4,388,169.48

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Solution

The fourth proportional to 8,109,338.46, 11,190,916.74 and 4,388,169.48 is: 6,055,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,338.46 : 11,190,916.74 = 4,388,169.48 : x
  2. Step 2: Convert to fraction form
    8,109,338.46/11,190,916.74 = 4,388,169.48/x
  3. Step 3: Cross multiply
    8,109,338.46x = 11,190,916.74 × 4,388,169.48
  4. Step 4: Simplify right side
    8,109,338.46x = 49,107,639,291,689.10
  5. Step 5: Solve for x
    x = 49,107,639,291,689.10/8,109,338.46
  6. Step 6: Final answer
    x = 6,055,689.93

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Double scale
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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.