Home / 11,920,137.95-17,882,872.32-4,347,103.70

Finding the Fourth Proportional to 11,920,137.95, 17,882,872.32 and 4,347,103.70

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Solution

The fourth proportional to 11,920,137.95, 17,882,872.32 and 4,347,103.70 is: 6,521,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,137.95 : 17,882,872.32 = 4,347,103.70 : x
  2. Step 2: Convert to fraction form
    11,920,137.95/17,882,872.32 = 4,347,103.70/x
  3. Step 3: Cross multiply
    11,920,137.95x = 17,882,872.32 × 4,347,103.70
  4. Step 4: Simplify right side
    11,920,137.95x = 77,738,700,339,485.23
  5. Step 5: Solve for x
    x = 77,738,700,339,485.23/11,920,137.95
  6. Step 6: Final answer
    x = 6,521,627.58

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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.