Home / 16,905,639.60-25,313,668.92-8,910,667.44

Finding the Fourth Proportional to 16,905,639.60, 25,313,668.92 and 8,910,667.44

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Solution

The fourth proportional to 16,905,639.60, 25,313,668.92 and 8,910,667.44 is: 13,342,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905,639.60 : 25,313,668.92 = 8,910,667.44 : x
  2. Step 2: Convert to fraction form
    16,905,639.60/25,313,668.92 = 8,910,667.44/x
  3. Step 3: Cross multiply
    16,905,639.60x = 25,313,668.92 × 8,910,667.44
  4. Step 4: Simplify right side
    16,905,639.60x = 225,561,685,432,383.97
  5. Step 5: Solve for x
    x = 225,561,685,432,383.97/16,905,639.60
  6. Step 6: Final answer
    x = 13,342,392.88

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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.