Home / 20,737,188.20-31,090,230.30-10,647,050.60

Finding the Fourth Proportional to 20,737,188.20, 31,090,230.30 and 10,647,050.60

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Solution

The fourth proportional to 20,737,188.20, 31,090,230.30 and 10,647,050.60 is: 15,962,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,188.20 : 31,090,230.30 = 10,647,050.60 : x
  2. Step 2: Convert to fraction form
    20,737,188.20/31,090,230.30 = 10,647,050.60/x
  3. Step 3: Cross multiply
    20,737,188.20x = 31,090,230.30 × 10,647,050.60
  4. Step 4: Simplify right side
    20,737,188.20x = 331,019,255,169,753.19
  5. Step 5: Solve for x
    x = 331,019,255,169,753.19/20,737,188.20
  6. Step 6: Final answer
    x = 15,962,591.07

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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.