Home / 13,142,092.44-18,153,838.62-9,903,388.44

Finding the Fourth Proportional to 13,142,092.44, 18,153,838.62 and 9,903,388.44

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Solution

The fourth proportional to 13,142,092.44, 18,153,838.62 and 9,903,388.44 is: 13,680,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,092.44 : 18,153,838.62 = 9,903,388.44 : x
  2. Step 2: Convert to fraction form
    13,142,092.44/18,153,838.62 = 9,903,388.44/x
  3. Step 3: Cross multiply
    13,142,092.44x = 18,153,838.62 × 9,903,388.44
  4. Step 4: Simplify right side
    13,142,092.44x = 179,784,515,530,933.56
  5. Step 5: Solve for x
    x = 179,784,515,530,933.56/13,142,092.44
  6. Step 6: Final answer
    x = 13,680,052.58

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1.5x scale

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.