Home / 8,040,129.60-12,057,602.79-2,647,496.16

Finding the Fourth Proportional to 8,040,129.60, 12,057,602.79 and 2,647,496.16

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Solution

The fourth proportional to 8,040,129.60, 12,057,602.79 and 2,647,496.16 is: 3,970,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,129.60 : 12,057,602.79 = 2,647,496.16 : x
  2. Step 2: Convert to fraction form
    8,040,129.60/12,057,602.79 = 2,647,496.16/x
  3. Step 3: Cross multiply
    8,040,129.60x = 12,057,602.79 × 2,647,496.16
  4. Step 4: Simplify right side
    8,040,129.60x = 31,922,457,085,330.29
  5. Step 5: Solve for x
    x = 31,922,457,085,330.29/8,040,129.60
  6. Step 6: Final answer
    x = 3,970,390.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.