Home / 10,366,289.30-15,542,435.55-5,509,399.70

Finding the Fourth Proportional to 10,366,289.30, 15,542,435.55 and 5,509,399.70

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Solution

The fourth proportional to 10,366,289.30, 15,542,435.55 and 5,509,399.70 is: 8,260,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,289.30 : 15,542,435.55 = 5,509,399.70 : x
  2. Step 2: Convert to fraction form
    10,366,289.30/15,542,435.55 = 5,509,399.70/x
  3. Step 3: Cross multiply
    10,366,289.30x = 15,542,435.55 × 5,509,399.70
  4. Step 4: Simplify right side
    10,366,289.30x = 85,629,489,756,439.34
  5. Step 5: Solve for x
    x = 85,629,489,756,439.34/10,366,289.30
  6. Step 6: Final answer
    x = 8,260,380.09

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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.