Home / 5,384,279.20-8,080,825.20-5,342,288.80

Finding the Fourth Proportional to 5,384,279.20, 8,080,825.20 and 5,342,288.80

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Solution

The fourth proportional to 5,384,279.20, 8,080,825.20 and 5,342,288.80 is: 8,017,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,279.20 : 8,080,825.20 = 5,342,288.80 : x
  2. Step 2: Convert to fraction form
    5,384,279.20/8,080,825.20 = 5,342,288.80/x
  3. Step 3: Cross multiply
    5,384,279.20x = 8,080,825.20 × 5,342,288.80
  4. Step 4: Simplify right side
    5,384,279.20x = 43,170,101,960,717.76
  5. Step 5: Solve for x
    x = 43,170,101,960,717.76/5,384,279.20
  6. Step 6: Final answer
    x = 8,017,805.24

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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.