Home / 21,809,236.99-30,095,519.55-12,019,650.30

Finding the Fourth Proportional to 21,809,236.99, 30,095,519.55 and 12,019,650.30

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Solution

The fourth proportional to 21,809,236.99, 30,095,519.55 and 12,019,650.30 is: 16,586,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,236.99 : 30,095,519.55 = 12,019,650.30 : x
  2. Step 2: Convert to fraction form
    21,809,236.99/30,095,519.55 = 12,019,650.30/x
  3. Step 3: Cross multiply
    21,809,236.99x = 30,095,519.55 × 12,019,650.30
  4. Step 4: Simplify right side
    21,809,236.99x = 361,737,620,587,813.38
  5. Step 5: Solve for x
    x = 361,737,620,587,813.38/21,809,236.99
  6. Step 6: Final answer
    x = 16,586,440.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.