Home / 8,103,338.31-12,155,028.22-3,311,027.57

Finding the Fourth Proportional to 8,103,338.31, 12,155,028.22 and 3,311,027.57

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Solution

The fourth proportional to 8,103,338.31, 12,155,028.22 and 3,311,027.57 is: 4,966,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,338.31 : 12,155,028.22 = 3,311,027.57 : x
  2. Step 2: Convert to fraction form
    8,103,338.31/12,155,028.22 = 3,311,027.57/x
  3. Step 3: Cross multiply
    8,103,338.31x = 12,155,028.22 × 3,311,027.57
  4. Step 4: Simplify right side
    8,103,338.31x = 40,245,633,592,737.34
  5. Step 5: Solve for x
    x = 40,245,633,592,737.34/8,103,338.31
  6. Step 6: Final answer
    x = 4,966,549.84

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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.