Home / 15,520,247.53-21,416,916.94-9,321,611.04

Finding the Fourth Proportional to 15,520,247.53, 21,416,916.94 and 9,321,611.04

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Solution

The fourth proportional to 15,520,247.53, 21,416,916.94 and 9,321,611.04 is: 12,863,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,247.53 : 21,416,916.94 = 9,321,611.04 : x
  2. Step 2: Convert to fraction form
    15,520,247.53/21,416,916.94 = 9,321,611.04/x
  3. Step 3: Cross multiply
    15,520,247.53x = 21,416,916.94 × 9,321,611.04
  4. Step 4: Simplify right side
    15,520,247.53x = 199,640,169,367,362.97
  5. Step 5: Solve for x
    x = 199,640,169,367,362.97/15,520,247.53
  6. Step 6: Final answer
    x = 12,863,207.82

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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.