Home / 20,940,133.35-31,410,899.87-5,792,796.39

Finding the Fourth Proportional to 20,940,133.35, 31,410,899.87 and 5,792,796.39

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Solution

The fourth proportional to 20,940,133.35, 31,410,899.87 and 5,792,796.39 is: 8,689,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,133.35 : 31,410,899.87 = 5,792,796.39 : x
  2. Step 2: Convert to fraction form
    20,940,133.35/31,410,899.87 = 5,792,796.39/x
  3. Step 3: Cross multiply
    20,940,133.35x = 31,410,899.87 × 5,792,796.39
  4. Step 4: Simplify right side
    20,940,133.35x = 181,956,947,344,623.47
  5. Step 5: Solve for x
    x = 181,956,947,344,623.47/20,940,133.35
  6. Step 6: Final answer
    x = 8,689,388.19

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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.