Home / 6,321,108.48-8,723,152.88-3,420,499.44

Finding the Fourth Proportional to 6,321,108.48, 8,723,152.88 and 3,420,499.44

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Solution

The fourth proportional to 6,321,108.48, 8,723,152.88 and 3,420,499.44 is: 4,720,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,108.48 : 8,723,152.88 = 3,420,499.44 : x
  2. Step 2: Convert to fraction form
    6,321,108.48/8,723,152.88 = 3,420,499.44/x
  3. Step 3: Cross multiply
    6,321,108.48x = 8,723,152.88 × 3,420,499.44
  4. Step 4: Simplify right side
    6,321,108.48x = 29,837,539,541,074.39
  5. Step 5: Solve for x
    x = 29,837,539,541,074.39/6,321,108.48
  6. Step 6: Final answer
    x = 4,720,301.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.