Home / 6,120,998.72-8,447,045.26-3,330,137.83

Finding the Fourth Proportional to 6,120,998.72, 8,447,045.26 and 3,330,137.83

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Solution

The fourth proportional to 6,120,998.72, 8,447,045.26 and 3,330,137.83 is: 4,595,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,998.72 : 8,447,045.26 = 3,330,137.83 : x
  2. Step 2: Convert to fraction form
    6,120,998.72/8,447,045.26 = 3,330,137.83/x
  3. Step 3: Cross multiply
    6,120,998.72x = 8,447,045.26 × 3,330,137.83
  4. Step 4: Simplify right side
    6,120,998.72x = 28,129,824,964,687.45
  5. Step 5: Solve for x
    x = 28,129,824,964,687.45/6,120,998.72
  6. Step 6: Final answer
    x = 4,595,626.67

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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.