Home / 7,876,542.66-11,816,914.32-2,827,896.90

Finding the Fourth Proportional to 7,876,542.66, 11,816,914.32 and 2,827,896.90

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Solution

The fourth proportional to 7,876,542.66, 11,816,914.32 and 2,827,896.90 is: 4,242,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,542.66 : 11,816,914.32 = 2,827,896.90 : x
  2. Step 2: Convert to fraction form
    7,876,542.66/11,816,914.32 = 2,827,896.90/x
  3. Step 3: Cross multiply
    7,876,542.66x = 11,816,914.32 × 2,827,896.90
  4. Step 4: Simplify right side
    7,876,542.66x = 33,417,015,373,093.61
  5. Step 5: Solve for x
    x = 33,417,015,373,093.61/7,876,542.66
  6. Step 6: Final answer
    x = 4,242,599.43

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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.