Home / 20,940,838.30-31,414,209.90-6,562,406.80

Finding the Fourth Proportional to 20,940,838.30, 31,414,209.90 and 6,562,406.80

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Solution

The fourth proportional to 20,940,838.30, 31,414,209.90 and 6,562,406.80 is: 9,844,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,838.30 : 31,414,209.90 = 6,562,406.80 : x
  2. Step 2: Convert to fraction form
    20,940,838.30/31,414,209.90 = 6,562,406.80/x
  3. Step 3: Cross multiply
    20,940,838.30x = 31,414,209.90 × 6,562,406.80
  4. Step 4: Simplify right side
    20,940,838.30x = 206,152,824,664,387.31
  5. Step 5: Solve for x
    x = 206,152,824,664,387.31/20,940,838.30
  6. Step 6: Final answer
    x = 9,844,535.43

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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.