Home / 8,108,010.36-11,178,892.62-5,202,274.68

Finding the Fourth Proportional to 8,108,010.36, 11,178,892.62 and 5,202,274.68

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Solution

The fourth proportional to 8,108,010.36, 11,178,892.62 and 5,202,274.68 is: 7,172,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,010.36 : 11,178,892.62 = 5,202,274.68 : x
  2. Step 2: Convert to fraction form
    8,108,010.36/11,178,892.62 = 5,202,274.68/x
  3. Step 3: Cross multiply
    8,108,010.36x = 11,178,892.62 × 5,202,274.68
  4. Step 4: Simplify right side
    8,108,010.36x = 58,155,670,027,464.85
  5. Step 5: Solve for x
    x = 58,155,670,027,464.85/8,108,010.36
  6. Step 6: Final answer
    x = 7,172,619.11

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Double scale
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1.5x scale

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.