Home / 7,336,948.20-11,008,046.70-3,078,421.80

Finding the Fourth Proportional to 7,336,948.20, 11,008,046.70 and 3,078,421.80

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Solution

The fourth proportional to 7,336,948.20, 11,008,046.70 and 3,078,421.80 is: 4,618,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336,948.20 : 11,008,046.70 = 3,078,421.80 : x
  2. Step 2: Convert to fraction form
    7,336,948.20/11,008,046.70 = 3,078,421.80/x
  3. Step 3: Cross multiply
    7,336,948.20x = 11,008,046.70 × 3,078,421.80
  4. Step 4: Simplify right side
    7,336,948.20x = 33,887,410,936,698.05
  5. Step 5: Solve for x
    x = 33,887,410,936,698.05/7,336,948.20
  6. Step 6: Final answer
    x = 4,618,733.84

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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.