Home / 12,515,474.94-18,776,141.62-3,879,124.02

Finding the Fourth Proportional to 12,515,474.94, 18,776,141.62 and 3,879,124.02

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Solution

The fourth proportional to 12,515,474.94, 18,776,141.62 and 3,879,124.02 is: 5,819,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,474.94 : 18,776,141.62 = 3,879,124.02 : x
  2. Step 2: Convert to fraction form
    12,515,474.94/18,776,141.62 = 3,879,124.02/x
  3. Step 3: Cross multiply
    12,515,474.94x = 18,776,141.62 × 3,879,124.02
  4. Step 4: Simplify right side
    12,515,474.94x = 72,834,981,951,365.91
  5. Step 5: Solve for x
    x = 72,834,981,951,365.91/12,515,474.94
  6. Step 6: Final answer
    x = 5,819,593.93

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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.