Home / 21,965,505.93-30,302,146.31-13,821,234.57

Finding the Fourth Proportional to 21,965,505.93, 30,302,146.31 and 13,821,234.57

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Solution

The fourth proportional to 21,965,505.93, 30,302,146.31 and 13,821,234.57 is: 19,066,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965,505.93 : 30,302,146.31 = 13,821,234.57 : x
  2. Step 2: Convert to fraction form
    21,965,505.93/30,302,146.31 = 13,821,234.57/x
  3. Step 3: Cross multiply
    21,965,505.93x = 30,302,146.31 × 13,821,234.57
  4. Step 4: Simplify right side
    21,965,505.93x = 418,813,072,055,863.75
  5. Step 5: Solve for x
    x = 418,813,072,055,863.75/21,965,505.93
  6. Step 6: Final answer
    x = 19,066,852.97

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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.