Home / 8,203,399.40-12,305,099.10-2,811,326.60

Finding the Fourth Proportional to 8,203,399.40, 12,305,099.10 and 2,811,326.60

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Solution

The fourth proportional to 8,203,399.40, 12,305,099.10 and 2,811,326.60 is: 4,216,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,399.40 : 12,305,099.10 = 2,811,326.60 : x
  2. Step 2: Convert to fraction form
    8,203,399.40/12,305,099.10 = 2,811,326.60/x
  3. Step 3: Cross multiply
    8,203,399.40x = 12,305,099.10 × 2,811,326.60
  4. Step 4: Simplify right side
    8,203,399.40x = 34,593,652,415,466.06
  5. Step 5: Solve for x
    x = 34,593,652,415,466.06/8,203,399.40
  6. Step 6: Final answer
    x = 4,216,989.90

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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.