Home / 8,320,832.80-12,481,249.20-7,376,048.80

Finding the Fourth Proportional to 8,320,832.80, 12,481,249.20 and 7,376,048.80

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Solution

The fourth proportional to 8,320,832.80, 12,481,249.20 and 7,376,048.80 is: 11,064,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,832.80 : 12,481,249.20 = 7,376,048.80 : x
  2. Step 2: Convert to fraction form
    8,320,832.80/12,481,249.20 = 7,376,048.80/x
  3. Step 3: Cross multiply
    8,320,832.80x = 12,481,249.20 × 7,376,048.80
  4. Step 4: Simplify right side
    8,320,832.80x = 92,062,303,184,160.95
  5. Step 5: Solve for x
    x = 92,062,303,184,160.95/8,320,832.80
  6. Step 6: Final answer
    x = 11,064,073.20

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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.