Home / 12,277,372.91-18,410,992.40-4,191,000.75

Finding the Fourth Proportional to 12,277,372.91, 18,410,992.40 and 4,191,000.75

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Solution

The fourth proportional to 12,277,372.91, 18,410,992.40 and 4,191,000.75 is: 6,284,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,372.91 : 18,410,992.40 = 4,191,000.75 : x
  2. Step 2: Convert to fraction form
    12,277,372.91/18,410,992.40 = 4,191,000.75/x
  3. Step 3: Cross multiply
    12,277,372.91x = 18,410,992.40 × 4,191,000.75
  4. Step 4: Simplify right side
    12,277,372.91x = 77,160,482,967,121.80
  5. Step 5: Solve for x
    x = 77,160,482,967,121.80/12,277,372.91
  6. Step 6: Final answer
    x = 6,284,771.47

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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.