Home / 13,104,082.20-19,656,123.30-11,907,355.80

Finding the Fourth Proportional to 13,104,082.20, 19,656,123.30 and 11,907,355.80

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Solution

The fourth proportional to 13,104,082.20, 19,656,123.30 and 11,907,355.80 is: 17,861,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,082.20 : 19,656,123.30 = 11,907,355.80 : x
  2. Step 2: Convert to fraction form
    13,104,082.20/19,656,123.30 = 11,907,355.80/x
  3. Step 3: Cross multiply
    13,104,082.20x = 19,656,123.30 × 11,907,355.80
  4. Step 4: Simplify right side
    13,104,082.20x = 234,052,453,781,770.16
  5. Step 5: Solve for x
    x = 234,052,453,781,770.16/13,104,082.20
  6. Step 6: Final answer
    x = 17,861,033.70

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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.