Home / 8,631,112.78-11,910,876.87-4,763,633.77

Finding the Fourth Proportional to 8,631,112.78, 11,910,876.87 and 4,763,633.77

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Solution

The fourth proportional to 8,631,112.78, 11,910,876.87 and 4,763,633.77 is: 6,573,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,112.78 : 11,910,876.87 = 4,763,633.77 : x
  2. Step 2: Convert to fraction form
    8,631,112.78/11,910,876.87 = 4,763,633.77/x
  3. Step 3: Cross multiply
    8,631,112.78x = 11,910,876.87 × 4,763,633.77
  4. Step 4: Simplify right side
    8,631,112.78x = 56,739,055,288,243.89
  5. Step 5: Solve for x
    x = 56,739,055,288,243.89/8,631,112.78
  6. Step 6: Final answer
    x = 6,573,782.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.