Home / 7,469,867.70-11,204,801.55-7,021,095.30

Finding the Fourth Proportional to 7,469,867.70, 11,204,801.55 and 7,021,095.30

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Solution

The fourth proportional to 7,469,867.70, 11,204,801.55 and 7,021,095.30 is: 10,531,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469,867.70 : 11,204,801.55 = 7,021,095.30 : x
  2. Step 2: Convert to fraction form
    7,469,867.70/11,204,801.55 = 7,021,095.30/x
  3. Step 3: Cross multiply
    7,469,867.70x = 11,204,801.55 × 7,021,095.30
  4. Step 4: Simplify right side
    7,469,867.70x = 78,669,979,500,137.72
  5. Step 5: Solve for x
    x = 78,669,979,500,137.72/7,469,867.70
  6. Step 6: Final answer
    x = 10,531,642.95

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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.