Finding the Fourth Proportional to 11,374,538.07, 15,696,967.01 and 6,479,687.62
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Solution
The fourth proportional to 11,374,538.07, 15,696,967.01 and 6,479,687.62 is: 8,942,028.42
Step by Step Solution
- Step 1: Write the proportion equation
11,374,538.07 : 15,696,967.01 = 6,479,687.62 : x - Step 2: Convert to fraction form
11,374,538.07/15,696,967.01 = 6,479,687.62/x - Step 3: Cross multiply
11,374,538.07x = 15,696,967.01 × 6,479,687.62 - Step 4: Simplify right side
11,374,538.07x = 101,711,442,734,604.56 - Step 5: Solve for x
x = 101,711,442,734,604.56/11,374,538.07 - Step 6: Final answer
x = 8,942,028.42
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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.