Home / 6,172,121.99-8,517,438.32-3,418,800.39

Finding the Fourth Proportional to 6,172,121.99, 8,517,438.32 and 3,418,800.39

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Solution

The fourth proportional to 6,172,121.99, 8,517,438.32 and 3,418,800.39 is: 4,717,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,121.99 : 8,517,438.32 = 3,418,800.39 : x
  2. Step 2: Convert to fraction form
    6,172,121.99/8,517,438.32 = 3,418,800.39/x
  3. Step 3: Cross multiply
    6,172,121.99x = 8,517,438.32 × 3,418,800.39
  4. Step 4: Simplify right side
    6,172,121.99x = 29,119,421,433,122.94
  5. Step 5: Solve for x
    x = 29,119,421,433,122.94/6,172,121.99
  6. Step 6: Final answer
    x = 4,717,894.67

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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.