Home / 13,505,668.50-20,260,168.50-4,405,333.08

Finding the Fourth Proportional to 13,505,668.50, 20,260,168.50 and 4,405,333.08

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Solution

The fourth proportional to 13,505,668.50, 20,260,168.50 and 4,405,333.08 is: 6,608,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,668.50 : 20,260,168.50 = 4,405,333.08 : x
  2. Step 2: Convert to fraction form
    13,505,668.50/20,260,168.50 = 4,405,333.08/x
  3. Step 3: Cross multiply
    13,505,668.50x = 20,260,168.50 × 4,405,333.08
  4. Step 4: Simplify right side
    13,505,668.50x = 89,252,790,499,423.98
  5. Step 5: Solve for x
    x = 89,252,790,499,423.98/13,505,668.50
  6. Step 6: Final answer
    x = 6,608,542.96

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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.