Home / 8,100,300.32-12,150,462.30-3,307,989.64

Finding the Fourth Proportional to 8,100,300.32, 12,150,462.30 and 3,307,989.64

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Solution

The fourth proportional to 8,100,300.32, 12,150,462.30 and 3,307,989.64 is: 4,961,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,300.32 : 12,150,462.30 = 3,307,989.64 : x
  2. Step 2: Convert to fraction form
    8,100,300.32/12,150,462.30 = 3,307,989.64/x
  3. Step 3: Cross multiply
    8,100,300.32x = 12,150,462.30 × 3,307,989.64
  4. Step 4: Simplify right side
    8,100,300.32x = 40,193,603,409,610.58
  5. Step 5: Solve for x
    x = 40,193,603,409,610.58/8,100,300.32
  6. Step 6: Final answer
    x = 4,961,989.29

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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.