Home / 15,060,622.76-20,783,819.94-8,185,105.16

Finding the Fourth Proportional to 15,060,622.76, 20,783,819.94 and 8,185,105.16

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Solution

The fourth proportional to 15,060,622.76, 20,783,819.94 and 8,185,105.16 is: 11,295,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060,622.76 : 20,783,819.94 = 8,185,105.16 : x
  2. Step 2: Convert to fraction form
    15,060,622.76/20,783,819.94 = 8,185,105.16/x
  3. Step 3: Cross multiply
    15,060,622.76x = 20,783,819.94 × 8,185,105.16
  4. Step 4: Simplify right side
    15,060,622.76x = 170,117,751,835,404.91
  5. Step 5: Solve for x
    x = 170,117,751,835,404.91/15,060,622.76
  6. Step 6: Final answer
    x = 11,295,532.37

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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.