Finding the Fourth Proportional to 11,639,198.21, 17,458,795.49 and 3,552,215.31
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Solution
The fourth proportional to 11,639,198.21, 17,458,795.49 and 3,552,215.31 is: 5,328,322.41
Step by Step Solution
- Step 1: Write the proportion equation
11,639,198.21 : 17,458,795.49 = 3,552,215.31 : x - Step 2: Convert to fraction form
11,639,198.21/17,458,795.49 = 3,552,215.31/x - Step 3: Cross multiply
11,639,198.21x = 17,458,795.49 × 3,552,215.31 - Step 4: Simplify right side
11,639,198.21x = 62,017,400,615,975.88 - Step 5: Solve for x
x = 62,017,400,615,975.88/11,639,198.21 - Step 6: Final answer
x = 5,328,322.41
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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.