Home / 12,449,376-17,180,138.88-6,726,240

Finding the Fourth Proportional to 12,449,376, 17,180,138.88 and 6,726,240

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Solution

The fourth proportional to 12,449,376, 17,180,138.88 and 6,726,240 is: 9,282,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,376 : 17,180,138.88 = 6,726,240 : x
  2. Step 2: Convert to fraction form
    12,449,376/17,180,138.88 = 6,726,240/x
  3. Step 3: Cross multiply
    12,449,376x = 17,180,138.88 × 6,726,240
  4. Step 4: Simplify right side
    12,449,376x = 115,557,737,340,211.19
  5. Step 5: Solve for x
    x = 115,557,737,340,211.19/12,449,376
  6. Step 6: Final answer
    x = 9,282,211.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.