Home / 8,311,691.42-11,469,652.22-4,640,840.40

Finding the Fourth Proportional to 8,311,691.42, 11,469,652.22 and 4,640,840.40

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Solution

The fourth proportional to 8,311,691.42, 11,469,652.22 and 4,640,840.40 is: 6,404,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,691.42 : 11,469,652.22 = 4,640,840.40 : x
  2. Step 2: Convert to fraction form
    8,311,691.42/11,469,652.22 = 4,640,840.40/x
  3. Step 3: Cross multiply
    8,311,691.42x = 11,469,652.22 × 4,640,840.40
  4. Step 4: Simplify right side
    8,311,691.42x = 53,228,825,408,127.80
  5. Step 5: Solve for x
    x = 53,228,825,408,127.80/8,311,691.42
  6. Step 6: Final answer
    x = 6,404,090.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.