Home / 19,384,591.20-29,052,003.60-11,803,509.60

Finding the Fourth Proportional to 19,384,591.20, 29,052,003.60 and 11,803,509.60

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Solution

The fourth proportional to 19,384,591.20, 29,052,003.60 and 11,803,509.60 is: 17,690,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384,591.20 : 29,052,003.60 = 11,803,509.60 : x
  2. Step 2: Convert to fraction form
    19,384,591.20/29,052,003.60 = 11,803,509.60/x
  3. Step 3: Cross multiply
    19,384,591.20x = 29,052,003.60 × 11,803,509.60
  4. Step 4: Simplify right side
    19,384,591.20x = 342,915,603,391,834.56
  5. Step 5: Solve for x
    x = 342,915,603,391,834.56/19,384,591.20
  6. Step 6: Final answer
    x = 17,690,112.72

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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.