Home / 16,170,932.91-22,315,771.89-8,828,765.85

Finding the Fourth Proportional to 16,170,932.91, 22,315,771.89 and 8,828,765.85

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Solution

The fourth proportional to 16,170,932.91, 22,315,771.89 and 8,828,765.85 is: 12,183,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170,932.91 : 22,315,771.89 = 8,828,765.85 : x
  2. Step 2: Convert to fraction form
    16,170,932.91/22,315,771.89 = 8,828,765.85/x
  3. Step 3: Cross multiply
    16,170,932.91x = 22,315,771.89 × 8,828,765.85
  4. Step 4: Simplify right side
    16,170,932.91x = 197,020,724,778,821.97
  5. Step 5: Solve for x
    x = 197,020,724,778,821.97/16,170,932.91
  6. Step 6: Final answer
    x = 12,183,633.80

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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.