Home / 5,424,234.40-8,138,425.20-5,339,216.80

Finding the Fourth Proportional to 5,424,234.40, 8,138,425.20 and 5,339,216.80

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Solution

The fourth proportional to 5,424,234.40, 8,138,425.20 and 5,339,216.80 is: 8,010,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,234.40 : 8,138,425.20 = 5,339,216.80 : x
  2. Step 2: Convert to fraction form
    5,424,234.40/8,138,425.20 = 5,339,216.80/x
  3. Step 3: Cross multiply
    5,424,234.40x = 8,138,425.20 × 5,339,216.80
  4. Step 4: Simplify right side
    5,424,234.40x = 43,452,816,553,383.36
  5. Step 5: Solve for x
    x = 43,452,816,553,383.36/5,424,234.40
  6. Step 6: Final answer
    x = 8,010,866.30

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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.