Home / 12,519,908.76-18,782,557.44-3,883,837.08

Finding the Fourth Proportional to 12,519,908.76, 18,782,557.44 and 3,883,837.08

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Solution

The fourth proportional to 12,519,908.76, 18,782,557.44 and 3,883,837.08 is: 5,826,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,908.76 : 18,782,557.44 = 3,883,837.08 : x
  2. Step 2: Convert to fraction form
    12,519,908.76/18,782,557.44 = 3,883,837.08/x
  3. Step 3: Cross multiply
    12,519,908.76x = 18,782,557.44 × 3,883,837.08
  4. Step 4: Simplify right side
    12,519,908.76x = 72,948,393,042,701.88
  5. Step 5: Solve for x
    x = 72,948,393,042,701.88/12,519,908.76
  6. Step 6: Final answer
    x = 5,826,591.43

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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.