Home / 13,198,215.80-19,781,577.30-11,844,025.40

Finding the Fourth Proportional to 13,198,215.80, 19,781,577.30 and 11,844,025.40

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Solution

The fourth proportional to 13,198,215.80, 19,781,577.30 and 11,844,025.40 is: 17,751,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,215.80 : 19,781,577.30 = 11,844,025.40 : x
  2. Step 2: Convert to fraction form
    13,198,215.80/19,781,577.30 = 11,844,025.40/x
  3. Step 3: Cross multiply
    13,198,215.80x = 19,781,577.30 × 11,844,025.40
  4. Step 4: Simplify right side
    13,198,215.80x = 234,293,503,993,263.44
  5. Step 5: Solve for x
    x = 234,293,503,993,263.44/13,198,215.80
  6. Step 6: Final answer
    x = 17,751,907.34

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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.