Home / 12,252,951.90-18,383,364.45-8,214,000.30

Finding the Fourth Proportional to 12,252,951.90, 18,383,364.45 and 8,214,000.30

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Solution

The fourth proportional to 12,252,951.90, 18,383,364.45 and 8,214,000.30 is: 12,323,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,951.90 : 18,383,364.45 = 8,214,000.30 : x
  2. Step 2: Convert to fraction form
    12,252,951.90/18,383,364.45 = 8,214,000.30/x
  3. Step 3: Cross multiply
    12,252,951.90x = 18,383,364.45 × 8,214,000.30
  4. Step 4: Simplify right side
    12,252,951.90x = 151,000,961,107,309.31
  5. Step 5: Solve for x
    x = 151,000,961,107,309.31/12,252,951.90
  6. Step 6: Final answer
    x = 12,323,639.42

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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.