Home / 16,770,317.91-23,142,899.61-9,428,183.79

Finding the Fourth Proportional to 16,770,317.91, 23,142,899.61 and 9,428,183.79

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Solution

The fourth proportional to 16,770,317.91, 23,142,899.61 and 9,428,183.79 is: 13,010,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,317.91 : 23,142,899.61 = 9,428,183.79 : x
  2. Step 2: Convert to fraction form
    16,770,317.91/23,142,899.61 = 9,428,183.79/x
  3. Step 3: Cross multiply
    16,770,317.91x = 23,142,899.61 × 9,428,183.79
  4. Step 4: Simplify right side
    16,770,317.91x = 218,195,510,956,599.28
  5. Step 5: Solve for x
    x = 218,195,510,956,599.28/16,770,317.91
  6. Step 6: Final answer
    x = 13,010,815.43

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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.