Home / 13,198,220.80-19,781,584.80-11,844,030.40

Finding the Fourth Proportional to 13,198,220.80, 19,781,584.80 and 11,844,030.40

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Solution

The fourth proportional to 13,198,220.80, 19,781,584.80 and 11,844,030.40 is: 17,751,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,220.80 : 19,781,584.80 = 11,844,030.40 : x
  2. Step 2: Convert to fraction form
    13,198,220.80/19,781,584.80 = 11,844,030.40/x
  3. Step 3: Cross multiply
    13,198,220.80x = 19,781,584.80 × 11,844,030.40
  4. Step 4: Simplify right side
    13,198,220.80x = 234,293,691,731,377.94
  5. Step 5: Solve for x
    x = 234,293,691,731,377.94/13,198,220.80
  6. Step 6: Final answer
    x = 17,751,914.84

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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.