Home / 21,093,806.62-31,643,651.04-6,521,915.80

Finding the Fourth Proportional to 21,093,806.62, 31,643,651.04 and 6,521,915.80

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Solution

The fourth proportional to 21,093,806.62, 31,643,651.04 and 6,521,915.80 is: 9,783,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093,806.62 : 31,643,651.04 = 6,521,915.80 : x
  2. Step 2: Convert to fraction form
    21,093,806.62/31,643,651.04 = 6,521,915.80/x
  3. Step 3: Cross multiply
    21,093,806.62x = 31,643,651.04 × 6,521,915.80
  4. Step 4: Simplify right side
    21,093,806.62x = 206,377,227,687,462.41
  5. Step 5: Solve for x
    x = 206,377,227,687,462.41/21,093,806.62
  6. Step 6: Final answer
    x = 9,783,783.05

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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.