Home / 8,811,407.20-13,219,816.32-4,206,269.44

Finding the Fourth Proportional to 8,811,407.20, 13,219,816.32 and 4,206,269.44

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Solution

The fourth proportional to 8,811,407.20, 13,219,816.32 and 4,206,269.44 is: 6,310,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811,407.20 : 13,219,816.32 = 4,206,269.44 : x
  2. Step 2: Convert to fraction form
    8,811,407.20/13,219,816.32 = 4,206,269.44/x
  3. Step 3: Cross multiply
    8,811,407.20x = 13,219,816.32 × 4,206,269.44
  4. Step 4: Simplify right side
    8,811,407.20x = 55,606,109,389,229.27
  5. Step 5: Solve for x
    x = 55,606,109,389,229.27/8,811,407.20
  6. Step 6: Final answer
    x = 6,310,695.68

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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.