Home / 18,122,704.80-27,184,057.20-7,345,168.80

Finding the Fourth Proportional to 18,122,704.80, 27,184,057.20 and 7,345,168.80

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Solution

The fourth proportional to 18,122,704.80, 27,184,057.20 and 7,345,168.80 is: 11,017,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,704.80 : 27,184,057.20 = 7,345,168.80 : x
  2. Step 2: Convert to fraction form
    18,122,704.80/27,184,057.20 = 7,345,168.80/x
  3. Step 3: Cross multiply
    18,122,704.80x = 27,184,057.20 × 7,345,168.80
  4. Step 4: Simplify right side
    18,122,704.80x = 199,671,488,802,855.34
  5. Step 5: Solve for x
    x = 199,671,488,802,855.34/18,122,704.80
  6. Step 6: Final answer
    x = 11,017,753.20

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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.