Home / 7,336,979.20-11,008,093.20-3,078,452.80

Finding the Fourth Proportional to 7,336,979.20, 11,008,093.20 and 3,078,452.80

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Solution

The fourth proportional to 7,336,979.20, 11,008,093.20 and 3,078,452.80 is: 4,618,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336,979.20 : 11,008,093.20 = 3,078,452.80 : x
  2. Step 2: Convert to fraction form
    7,336,979.20/11,008,093.20 = 3,078,452.80/x
  3. Step 3: Cross multiply
    7,336,979.20x = 11,008,093.20 × 3,078,452.80
  4. Step 4: Simplify right side
    7,336,979.20x = 33,887,895,334,200.96
  5. Step 5: Solve for x
    x = 33,887,895,334,200.96/7,336,979.20
  6. Step 6: Final answer
    x = 4,618,780.35

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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.