Finding the Fourth Proportional to 21,351,305.94, 32,036,718.40 and 11,621,342.94
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Solution
The fourth proportional to 21,351,305.94, 32,036,718.40 and 11,621,342.94 is: 17,437,326.42
Step by Step Solution
- Step 1: Write the proportion equation
21,351,305.94 : 32,036,718.40 = 11,621,342.94 : x - Step 2: Convert to fraction form
21,351,305.94/32,036,718.40 = 11,621,342.94/x - Step 3: Cross multiply
21,351,305.94x = 32,036,718.40 × 11,621,342.94 - Step 4: Simplify right side
21,351,305.94x = 372,309,691,198,608.06 - Step 5: Solve for x
x = 372,309,691,198,608.06/21,351,305.94 - Step 6: Final answer
x = 17,437,326.42
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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.