Home / 5,488,663.20-8,231,420.16-3,816,395.52

Finding the Fourth Proportional to 5,488,663.20, 8,231,420.16 and 3,816,395.52

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Solution

The fourth proportional to 5,488,663.20, 8,231,420.16 and 3,816,395.52 is: 5,723,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488,663.20 : 8,231,420.16 = 3,816,395.52 : x
  2. Step 2: Convert to fraction form
    5,488,663.20/8,231,420.16 = 3,816,395.52/x
  3. Step 3: Cross multiply
    5,488,663.20x = 8,231,420.16 × 3,816,395.52
  4. Step 4: Simplify right side
    5,488,663.20x = 31,414,355,021,861.68
  5. Step 5: Solve for x
    x = 31,414,355,021,861.68/5,488,663.20
  6. Step 6: Final answer
    x = 5,723,498.40

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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.