Home / 19,187,433.90-28,743,826.05-11,591,837.10

Finding the Fourth Proportional to 19,187,433.90, 28,743,826.05 and 11,591,837.10

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Solution

The fourth proportional to 19,187,433.90, 28,743,826.05 and 11,591,837.10 is: 17,365,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,433.90 : 28,743,826.05 = 11,591,837.10 : x
  2. Step 2: Convert to fraction form
    19,187,433.90/28,743,826.05 = 11,591,837.10/x
  3. Step 3: Cross multiply
    19,187,433.90x = 28,743,826.05 × 11,591,837.10
  4. Step 4: Simplify right side
    19,187,433.90x = 333,193,749,202,336.44
  5. Step 5: Solve for x
    x = 333,193,749,202,336.44/19,187,433.90
  6. Step 6: Final answer
    x = 17,365,206.36

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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.