Home / 20,169,032.80-30,253,549.20-11,665,976.80

Finding the Fourth Proportional to 20,169,032.80, 30,253,549.20 and 11,665,976.80

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Solution

The fourth proportional to 20,169,032.80, 30,253,549.20 and 11,665,976.80 is: 17,498,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,032.80 : 30,253,549.20 = 11,665,976.80 : x
  2. Step 2: Convert to fraction form
    20,169,032.80/30,253,549.20 = 11,665,976.80/x
  3. Step 3: Cross multiply
    20,169,032.80x = 30,253,549.20 × 11,665,976.80
  4. Step 4: Simplify right side
    20,169,032.80x = 352,937,203,084,858.56
  5. Step 5: Solve for x
    x = 352,937,203,084,858.56/20,169,032.80
  6. Step 6: Final answer
    x = 17,498,965.20

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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.