Home / 10,631,709.20-15,949,896.60-3,442,019.60

Finding the Fourth Proportional to 10,631,709.20, 15,949,896.60 and 3,442,019.60

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Solution

The fourth proportional to 10,631,709.20, 15,949,896.60 and 3,442,019.60 is: 5,163,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,709.20 : 15,949,896.60 = 3,442,019.60 : x
  2. Step 2: Convert to fraction form
    10,631,709.20/15,949,896.60 = 3,442,019.60/x
  3. Step 3: Cross multiply
    10,631,709.20x = 15,949,896.60 × 3,442,019.60
  4. Step 4: Simplify right side
    10,631,709.20x = 54,899,856,715,173.36
  5. Step 5: Solve for x
    x = 54,899,856,715,173.36/10,631,709.20
  6. Step 6: Final answer
    x = 5,163,784.64

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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.