Home / 12,726,098.91-19,092,138.17-4,206,435.39

Finding the Fourth Proportional to 12,726,098.91, 19,092,138.17 and 4,206,435.39

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Solution

The fourth proportional to 12,726,098.91, 19,092,138.17 and 4,206,435.39 is: 6,310,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,098.91 : 19,092,138.17 = 4,206,435.39 : x
  2. Step 2: Convert to fraction form
    12,726,098.91/19,092,138.17 = 4,206,435.39/x
  3. Step 3: Cross multiply
    12,726,098.91x = 19,092,138.17 × 4,206,435.39
  4. Step 4: Simplify right side
    12,726,098.91x = 80,309,845,648,025.66
  5. Step 5: Solve for x
    x = 80,309,845,648,025.66/12,726,098.91
  6. Step 6: Final answer
    x = 6,310,641.32

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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.