Home / 8,311,922.80-12,477,215.40-6,427,020.40

Finding the Fourth Proportional to 8,311,922.80, 12,477,215.40 and 6,427,020.40

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Solution

The fourth proportional to 8,311,922.80, 12,477,215.40 and 6,427,020.40 is: 9,647,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,922.80 : 12,477,215.40 = 6,427,020.40 : x
  2. Step 2: Convert to fraction form
    8,311,922.80/12,477,215.40 = 6,427,020.40/x
  3. Step 3: Cross multiply
    8,311,922.80x = 12,477,215.40 × 6,427,020.40
  4. Step 4: Simplify right side
    8,311,922.80x = 80,191,317,910,994.17
  5. Step 5: Solve for x
    x = 80,191,317,910,994.17/8,311,922.80
  6. Step 6: Final answer
    x = 9,647,745.76

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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.