Home / 8,310,314.32-12,467,087.16-3,192,370

Finding the Fourth Proportional to 8,310,314.32, 12,467,087.16 and 3,192,370

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Solution

The fourth proportional to 8,310,314.32, 12,467,087.16 and 3,192,370 is: 4,789,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,314.32 : 12,467,087.16 = 3,192,370 : x
  2. Step 2: Convert to fraction form
    8,310,314.32/12,467,087.16 = 3,192,370/x
  3. Step 3: Cross multiply
    8,310,314.32x = 12,467,087.16 × 3,192,370
  4. Step 4: Simplify right side
    8,310,314.32x = 39,799,555,036,969.20
  5. Step 5: Solve for x
    x = 39,799,555,036,969.20/8,310,314.32
  6. Step 6: Final answer
    x = 4,789,175.66

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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.