Home / 11,662,806.20-17,494,209.30-7,421,775.80

Finding the Fourth Proportional to 11,662,806.20, 17,494,209.30 and 7,421,775.80

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Solution

The fourth proportional to 11,662,806.20, 17,494,209.30 and 7,421,775.80 is: 11,132,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662,806.20 : 17,494,209.30 = 7,421,775.80 : x
  2. Step 2: Convert to fraction form
    11,662,806.20/17,494,209.30 = 7,421,775.80/x
  3. Step 3: Cross multiply
    11,662,806.20x = 17,494,209.30 × 7,421,775.80
  4. Step 4: Simplify right side
    11,662,806.20x = 129,838,099,222,874.94
  5. Step 5: Solve for x
    x = 129,838,099,222,874.94/11,662,806.20
  6. Step 6: Final answer
    x = 11,132,663.70

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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.