Home / 8,484,131.20-12,728,189.98-2,804,355.48

Finding the Fourth Proportional to 8,484,131.20, 12,728,189.98 and 2,804,355.48

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Solution

The fourth proportional to 8,484,131.20, 12,728,189.98 and 2,804,355.48 is: 4,207,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484,131.20 : 12,728,189.98 = 2,804,355.48 : x
  2. Step 2: Convert to fraction form
    8,484,131.20/12,728,189.98 = 2,804,355.48/x
  3. Step 3: Cross multiply
    8,484,131.20x = 12,728,189.98 × 2,804,355.48
  4. Step 4: Simplify right side
    8,484,131.20x = 35,694,369,320,894.09
  5. Step 5: Solve for x
    x = 35,694,369,320,894.09/8,484,131.20
  6. Step 6: Final answer
    x = 4,207,192.05

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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.