Home / 13,244,878.08-18,279,447.48-7,365,099.36

Finding the Fourth Proportional to 13,244,878.08, 18,279,447.48 and 7,365,099.36

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Solution

The fourth proportional to 13,244,878.08, 18,279,447.48 and 7,365,099.36 is: 10,164,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244,878.08 : 18,279,447.48 = 7,365,099.36 : x
  2. Step 2: Convert to fraction form
    13,244,878.08/18,279,447.48 = 7,365,099.36/x
  3. Step 3: Cross multiply
    13,244,878.08x = 18,279,447.48 × 7,365,099.36
  4. Step 4: Simplify right side
    13,244,878.08x = 134,629,946,936,101.62
  5. Step 5: Solve for x
    x = 134,629,946,936,101.62/13,244,878.08
  6. Step 6: Final answer
    x = 10,164,679.97

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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.