Home / 19,993,520.52-27,591,095.84-11,172,971.80

Finding the Fourth Proportional to 19,993,520.52, 27,591,095.84 and 11,172,971.80

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Solution

The fourth proportional to 19,993,520.52, 27,591,095.84 and 11,172,971.80 is: 15,418,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,520.52 : 27,591,095.84 = 11,172,971.80 : x
  2. Step 2: Convert to fraction form
    19,993,520.52/27,591,095.84 = 11,172,971.80/x
  3. Step 3: Cross multiply
    19,993,520.52x = 27,591,095.84 × 11,172,971.80
  4. Step 4: Simplify right side
    19,993,520.52x = 308,274,535,751,417.31
  5. Step 5: Solve for x
    x = 308,274,535,751,417.31/19,993,520.52
  6. Step 6: Final answer
    x = 15,418,722.05

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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.