Home / 21,751,295.99-30,017,558.78-11,962,497.83

Finding the Fourth Proportional to 21,751,295.99, 30,017,558.78 and 11,962,497.83

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Solution

The fourth proportional to 21,751,295.99, 30,017,558.78 and 11,962,497.83 is: 16,508,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,295.99 : 30,017,558.78 = 11,962,497.83 : x
  2. Step 2: Convert to fraction form
    21,751,295.99/30,017,558.78 = 11,962,497.83/x
  3. Step 3: Cross multiply
    21,751,295.99x = 30,017,558.78 × 11,962,497.83
  4. Step 4: Simplify right side
    21,751,295.99x = 359,084,981,557,747.12
  5. Step 5: Solve for x
    x = 359,084,981,557,747.12/21,751,295.99
  6. Step 6: Final answer
    x = 16,508,670.65

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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.