Home / 21,612,369.96-29,824,981.38-11,689,263.73

Finding the Fourth Proportional to 21,612,369.96, 29,824,981.38 and 11,689,263.73

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Solution

The fourth proportional to 21,612,369.96, 29,824,981.38 and 11,689,263.73 is: 16,131,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,369.96 : 29,824,981.38 = 11,689,263.73 : x
  2. Step 2: Convert to fraction form
    21,612,369.96/29,824,981.38 = 11,689,263.73/x
  3. Step 3: Cross multiply
    21,612,369.96x = 29,824,981.38 × 11,689,263.73
  4. Step 4: Simplify right side
    21,612,369.96x = 348,632,072,944,034.44
  5. Step 5: Solve for x
    x = 348,632,072,944,034.44/21,612,369.96
  6. Step 6: Final answer
    x = 16,131,135.71

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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.