Home / 12,772,857.16-19,162,336.20-4,253,267.44

Finding the Fourth Proportional to 12,772,857.16, 19,162,336.20 and 4,253,267.44

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Solution

The fourth proportional to 12,772,857.16, 19,162,336.20 and 4,253,267.44 is: 6,380,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,857.16 : 19,162,336.20 = 4,253,267.44 : x
  2. Step 2: Convert to fraction form
    12,772,857.16/19,162,336.20 = 4,253,267.44/x
  3. Step 3: Cross multiply
    12,772,857.16x = 19,162,336.20 × 4,253,267.44
  4. Step 4: Simplify right side
    12,772,857.16x = 81,502,540,633,793.33
  5. Step 5: Solve for x
    x = 81,502,540,633,793.33/12,772,857.16
  6. Step 6: Final answer
    x = 6,380,916.94

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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.