Home / 10,857,376.80-16,285,546.80-3,668,205.60

Finding the Fourth Proportional to 10,857,376.80, 16,285,546.80 and 3,668,205.60

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Solution

The fourth proportional to 10,857,376.80, 16,285,546.80 and 3,668,205.60 is: 5,502,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,376.80 : 16,285,546.80 = 3,668,205.60 : x
  2. Step 2: Convert to fraction form
    10,857,376.80/16,285,546.80 = 3,668,205.60/x
  3. Step 3: Cross multiply
    10,857,376.80x = 16,285,546.80 × 3,668,205.60
  4. Step 4: Simplify right side
    10,857,376.80x = 59,738,733,970,822.09
  5. Step 5: Solve for x
    x = 59,738,733,970,822.09/10,857,376.80
  6. Step 6: Final answer
    x = 5,502,133.26

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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.