Home / 8,856,912.80-13,285,369.20-7,737,168.80

Finding the Fourth Proportional to 8,856,912.80, 13,285,369.20 and 7,737,168.80

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Solution

The fourth proportional to 8,856,912.80, 13,285,369.20 and 7,737,168.80 is: 11,605,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,912.80 : 13,285,369.20 = 7,737,168.80 : x
  2. Step 2: Convert to fraction form
    8,856,912.80/13,285,369.20 = 7,737,168.80/x
  3. Step 3: Cross multiply
    8,856,912.80x = 13,285,369.20 × 7,737,168.80
  4. Step 4: Simplify right side
    8,856,912.80x = 102,791,144,070,720.95
  5. Step 5: Solve for x
    x = 102,791,144,070,720.95/8,856,912.80
  6. Step 6: Final answer
    x = 11,605,753.20

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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.