Home / 8,424,453.78-12,616,592.67-5,382,249.30

Finding the Fourth Proportional to 8,424,453.78, 12,616,592.67 and 5,382,249.30

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Solution

The fourth proportional to 8,424,453.78, 12,616,592.67 and 5,382,249.30 is: 8,060,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,453.78 : 12,616,592.67 = 5,382,249.30 : x
  2. Step 2: Convert to fraction form
    8,424,453.78/12,616,592.67 = 5,382,249.30/x
  3. Step 3: Cross multiply
    8,424,453.78x = 12,616,592.67 × 5,382,249.30
  4. Step 4: Simplify right side
    8,424,453.78x = 67,905,647,066,492.62
  5. Step 5: Solve for x
    x = 67,905,647,066,492.62/8,424,453.78
  6. Step 6: Final answer
    x = 8,060,540.05

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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.