Home / 13,436,640.32-20,166,607.20-7,051,403.84

Finding the Fourth Proportional to 13,436,640.32, 20,166,607.20 and 7,051,403.84

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Solution

The fourth proportional to 13,436,640.32, 20,166,607.20 and 7,051,403.84 is: 10,583,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,640.32 : 20,166,607.20 = 7,051,403.84 : x
  2. Step 2: Convert to fraction form
    13,436,640.32/20,166,607.20 = 7,051,403.84/x
  3. Step 3: Cross multiply
    13,436,640.32x = 20,166,607.20 × 7,051,403.84
  4. Step 4: Simplify right side
    13,436,640.32x = 142,202,891,449,851.62
  5. Step 5: Solve for x
    x = 142,202,891,449,851.62/13,436,640.32
  6. Step 6: Final answer
    x = 10,583,217.83

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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.