Home / 15,942,679.20-23,916,351.60-5,158,144.80

Finding the Fourth Proportional to 15,942,679.20, 23,916,351.60 and 5,158,144.80

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Solution

The fourth proportional to 15,942,679.20, 23,916,351.60 and 5,158,144.80 is: 7,737,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,679.20 : 23,916,351.60 = 5,158,144.80 : x
  2. Step 2: Convert to fraction form
    15,942,679.20/23,916,351.60 = 5,158,144.80/x
  3. Step 3: Cross multiply
    15,942,679.20x = 23,916,351.60 × 5,158,144.80
  4. Step 4: Simplify right side
    15,942,679.20x = 123,364,004,640,511.69
  5. Step 5: Solve for x
    x = 123,364,004,640,511.69/15,942,679.20
  6. Step 6: Final answer
    x = 7,737,971.96

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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.