Home / 11,212,896.80-16,819,345.20-11,106,608.60

Finding the Fourth Proportional to 11,212,896.80, 16,819,345.20 and 11,106,608.60

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Solution

The fourth proportional to 11,212,896.80, 16,819,345.20 and 11,106,608.60 is: 16,659,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212,896.80 : 16,819,345.20 = 11,106,608.60 : x
  2. Step 2: Convert to fraction form
    11,212,896.80/16,819,345.20 = 11,106,608.60/x
  3. Step 3: Cross multiply
    11,212,896.80x = 16,819,345.20 × 11,106,608.60
  4. Step 4: Simplify right side
    11,212,896.80x = 186,805,884,044,688.72
  5. Step 5: Solve for x
    x = 186,805,884,044,688.72/11,212,896.80
  6. Step 6: Final answer
    x = 16,659,912.90

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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.