Home / 8,255,548.43-12,383,931.58-2,190,145.86

Finding the Fourth Proportional to 8,255,548.43, 12,383,931.58 and 2,190,145.86

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Solution

The fourth proportional to 8,255,548.43, 12,383,931.58 and 2,190,145.86 is: 3,285,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,548.43 : 12,383,931.58 = 2,190,145.86 : x
  2. Step 2: Convert to fraction form
    8,255,548.43/12,383,931.58 = 2,190,145.86/x
  3. Step 3: Cross multiply
    8,255,548.43x = 12,383,931.58 × 2,190,145.86
  4. Step 4: Simplify right side
    8,255,548.43x = 27,122,616,519,053.69
  5. Step 5: Solve for x
    x = 27,122,616,519,053.69/8,255,548.43
  6. Step 6: Final answer
    x = 3,285,380.34

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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.