Home / 19,809,190.80-29,713,786.20-13,644,475.20

Finding the Fourth Proportional to 19,809,190.80, 29,713,786.20 and 13,644,475.20

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Solution

The fourth proportional to 19,809,190.80, 29,713,786.20 and 13,644,475.20 is: 20,466,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,190.80 : 29,713,786.20 = 13,644,475.20 : x
  2. Step 2: Convert to fraction form
    19,809,190.80/29,713,786.20 = 13,644,475.20/x
  3. Step 3: Cross multiply
    19,809,190.80x = 29,713,786.20 × 13,644,475.20
  4. Step 4: Simplify right side
    19,809,190.80x = 405,429,018,904,002.19
  5. Step 5: Solve for x
    x = 405,429,018,904,002.19/19,809,190.80
  6. Step 6: Final answer
    x = 20,466,712.80

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1.5x scale

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.