Home / 17,938,608.80-26,916,311.40-7,839,917.60

Finding the Fourth Proportional to 17,938,608.80, 26,916,311.40 and 7,839,917.60

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Solution

The fourth proportional to 17,938,608.80, 26,916,311.40 and 7,839,917.60 is: 11,763,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,608.80 : 26,916,311.40 = 7,839,917.60 : x
  2. Step 2: Convert to fraction form
    17,938,608.80/26,916,311.40 = 7,839,917.60/x
  3. Step 3: Cross multiply
    17,938,608.80x = 26,916,311.40 × 7,839,917.60
  4. Step 4: Simplify right side
    17,938,608.80x = 211,021,663,471,940.62
  5. Step 5: Solve for x
    x = 211,021,663,471,940.62/17,938,608.80
  6. Step 6: Final answer
    x = 11,763,546.76

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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.