Finding the Fourth Proportional to 12,452,811.02, 18,681,922.94 and 3,816,943.97
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Solution
The fourth proportional to 12,452,811.02, 18,681,922.94 and 3,816,943.97 is: 5,726,245.50
Step by Step Solution
- Step 1: Write the proportion equation
12,452,811.02 : 18,681,922.94 = 3,816,943.97 : x - Step 2: Convert to fraction form
12,452,811.02/18,681,922.94 = 3,816,943.97/x - Step 3: Cross multiply
12,452,811.02x = 18,681,922.94 × 3,816,943.97 - Step 4: Simplify right side
12,452,811.02x = 71,307,853,001,343.33 - Step 5: Solve for x
x = 71,307,853,001,343.33/12,452,811.02 - Step 6: Final answer
x = 5,726,245.50
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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.