Home / 8,100,307.32-12,150,472.80-3,307,996.64

Finding the Fourth Proportional to 8,100,307.32, 12,150,472.80 and 3,307,996.64

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Solution

The fourth proportional to 8,100,307.32, 12,150,472.80 and 3,307,996.64 is: 4,961,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,307.32 : 12,150,472.80 = 3,307,996.64 : x
  2. Step 2: Convert to fraction form
    8,100,307.32/12,150,472.80 = 3,307,996.64/x
  3. Step 3: Cross multiply
    8,100,307.32x = 12,150,472.80 × 3,307,996.64
  4. Step 4: Simplify right side
    8,100,307.32x = 40,193,723,196,811.40
  5. Step 5: Solve for x
    x = 40,193,723,196,811.40/8,100,307.32
  6. Step 6: Final answer
    x = 4,961,999.79

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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.