Home / 11,856,733.76-17,785,463.52-8,209,893.44

Finding the Fourth Proportional to 11,856,733.76, 17,785,463.52 and 8,209,893.44

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Solution

The fourth proportional to 11,856,733.76, 17,785,463.52 and 8,209,893.44 is: 12,315,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,733.76 : 17,785,463.52 = 8,209,893.44 : x
  2. Step 2: Convert to fraction form
    11,856,733.76/17,785,463.52 = 8,209,893.44/x
  3. Step 3: Cross multiply
    11,856,733.76x = 17,785,463.52 × 8,209,893.44
  4. Step 4: Simplify right side
    11,856,733.76x = 146,016,760,280,207.31
  5. Step 5: Solve for x
    x = 146,016,760,280,207.31/11,856,733.76
  6. Step 6: Final answer
    x = 12,315,091.43

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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.