Home / 12,245,313.90-16,892,879.13-7,895,797.38

Finding the Fourth Proportional to 12,245,313.90, 16,892,879.13 and 7,895,797.38

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Solution

The fourth proportional to 12,245,313.90, 16,892,879.13 and 7,895,797.38 is: 10,892,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,313.90 : 16,892,879.13 = 7,895,797.38 : x
  2. Step 2: Convert to fraction form
    12,245,313.90/16,892,879.13 = 7,895,797.38/x
  3. Step 3: Cross multiply
    12,245,313.90x = 16,892,879.13 × 7,895,797.38
  4. Step 4: Simplify right side
    12,245,313.90x = 133,382,750,775,310.67
  5. Step 5: Solve for x
    x = 133,382,750,775,310.67/12,245,313.90
  6. Step 6: Final answer
    x = 10,892,554.64

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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.