Home / 15,957,915.92-22,006,975.56-12,705,467.12

Finding the Fourth Proportional to 15,957,915.92, 22,006,975.56 and 12,705,467.12

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Solution

The fourth proportional to 15,957,915.92, 22,006,975.56 and 12,705,467.12 is: 17,521,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957,915.92 : 22,006,975.56 = 12,705,467.12 : x
  2. Step 2: Convert to fraction form
    15,957,915.92/22,006,975.56 = 12,705,467.12/x
  3. Step 3: Cross multiply
    15,957,915.92x = 22,006,975.56 × 12,705,467.12
  4. Step 4: Simplify right side
    15,957,915.92x = 279,608,904,388,223.56
  5. Step 5: Solve for x
    x = 279,608,904,388,223.56/15,957,915.92
  6. Step 6: Final answer
    x = 17,521,642.91

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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.