Home / 20,940,131.60-31,410,897.24-5,792,794.64

Finding the Fourth Proportional to 20,940,131.60, 31,410,897.24 and 5,792,794.64

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Solution

The fourth proportional to 20,940,131.60, 31,410,897.24 and 5,792,794.64 is: 8,689,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,131.60 : 31,410,897.24 = 5,792,794.64 : x
  2. Step 2: Convert to fraction form
    20,940,131.60/31,410,897.24 = 5,792,794.64/x
  3. Step 3: Cross multiply
    20,940,131.60x = 31,410,897.24 × 5,792,794.64
  4. Step 4: Simplify right side
    20,940,131.60x = 181,956,877,169,462.78
  5. Step 5: Solve for x
    x = 181,956,877,169,462.78/20,940,131.60
  6. Step 6: Final answer
    x = 8,689,385.56

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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.