Home / 19,809,190.80-29,713,786.20-16,620,544.80

Finding the Fourth Proportional to 19,809,190.80, 29,713,786.20 and 16,620,544.80

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Solution

The fourth proportional to 19,809,190.80, 29,713,786.20 and 16,620,544.80 is: 24,930,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,190.80 : 29,713,786.20 = 16,620,544.80 : x
  2. Step 2: Convert to fraction form
    19,809,190.80/29,713,786.20 = 16,620,544.80/x
  3. Step 3: Cross multiply
    19,809,190.80x = 29,713,786.20 × 16,620,544.80
  4. Step 4: Simplify right side
    19,809,190.80x = 493,859,314,714,721.75
  5. Step 5: Solve for x
    x = 493,859,314,714,721.75/19,809,190.80
  6. Step 6: Final answer
    x = 24,930,817.20

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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.