Home / 12,839,160.32-19,255,684.80-5,162,823.44

Finding the Fourth Proportional to 12,839,160.32, 19,255,684.80 and 5,162,823.44

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Solution

The fourth proportional to 12,839,160.32, 19,255,684.80 and 5,162,823.44 is: 7,743,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,160.32 : 19,255,684.80 = 5,162,823.44 : x
  2. Step 2: Convert to fraction form
    12,839,160.32/19,255,684.80 = 5,162,823.44/x
  3. Step 3: Cross multiply
    12,839,160.32x = 19,255,684.80 × 5,162,823.44
  4. Step 4: Simplify right side
    12,839,160.32x = 99,413,700,838,691.72
  5. Step 5: Solve for x
    x = 99,413,700,838,691.72/12,839,160.32
  6. Step 6: Final answer
    x = 7,743,006.42

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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.