Home / 11,320,915.20-16,981,372.80-7,737,734.40

Finding the Fourth Proportional to 11,320,915.20, 16,981,372.80 and 7,737,734.40

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Solution

The fourth proportional to 11,320,915.20, 16,981,372.80 and 7,737,734.40 is: 11,606,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320,915.20 : 16,981,372.80 = 7,737,734.40 : x
  2. Step 2: Convert to fraction form
    11,320,915.20/16,981,372.80 = 7,737,734.40/x
  3. Step 3: Cross multiply
    11,320,915.20x = 16,981,372.80 × 7,737,734.40
  4. Step 4: Simplify right side
    11,320,915.20x = 131,397,352,473,784.33
  5. Step 5: Solve for x
    x = 131,397,352,473,784.33/11,320,915.20
  6. Step 6: Final answer
    x = 11,606,601.60

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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.