Home / 13,355,192.80-20,031,622.80-4,379,744.80

Finding the Fourth Proportional to 13,355,192.80, 20,031,622.80 and 4,379,744.80

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Solution

The fourth proportional to 13,355,192.80, 20,031,622.80 and 4,379,744.80 is: 6,569,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,192.80 : 20,031,622.80 = 4,379,744.80 : x
  2. Step 2: Convert to fraction form
    13,355,192.80/20,031,622.80 = 4,379,744.80/x
  3. Step 3: Cross multiply
    13,355,192.80x = 20,031,622.80 × 4,379,744.80
  4. Step 4: Simplify right side
    13,355,192.80x = 87,733,395,793,861.44
  5. Step 5: Solve for x
    x = 87,733,395,793,861.44/13,355,192.80
  6. Step 6: Final answer
    x = 6,569,234.69

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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.