Home / 7,684,970.85-11,520,362.42-3,843,450.45

Finding the Fourth Proportional to 7,684,970.85, 11,520,362.42 and 3,843,450.45

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Solution

The fourth proportional to 7,684,970.85, 11,520,362.42 and 3,843,450.45 is: 5,761,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684,970.85 : 11,520,362.42 = 3,843,450.45 : x
  2. Step 2: Convert to fraction form
    7,684,970.85/11,520,362.42 = 3,843,450.45/x
  3. Step 3: Cross multiply
    7,684,970.85x = 11,520,362.42 × 3,843,450.45
  4. Step 4: Simplify right side
    7,684,970.85x = 44,277,942,079,306.41
  5. Step 5: Solve for x
    x = 44,277,942,079,306.41/7,684,970.85
  6. Step 6: Final answer
    x = 5,761,627.85

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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.