Home / 5,384,821.20-8,081,638.20-5,342,830.80

Finding the Fourth Proportional to 5,384,821.20, 8,081,638.20 and 5,342,830.80

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Solution

The fourth proportional to 5,384,821.20, 8,081,638.20 and 5,342,830.80 is: 8,018,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,821.20 : 8,081,638.20 = 5,342,830.80 : x
  2. Step 2: Convert to fraction form
    5,384,821.20/8,081,638.20 = 5,342,830.80/x
  3. Step 3: Cross multiply
    5,384,821.20x = 8,081,638.20 × 5,342,830.80
  4. Step 4: Simplify right side
    5,384,821.20x = 43,178,825,489,416.56
  5. Step 5: Solve for x
    x = 43,178,825,489,416.56/5,384,821.20
  6. Step 6: Final answer
    x = 8,018,618.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.