Finding the Fourth Proportional to 7,845,369.87, 11,733,635.97 and 6,986,858.47
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Solution
The fourth proportional to 7,845,369.87, 11,733,635.97 and 6,986,858.47 is: 10,449,635.28
Step by Step Solution
- Step 1: Write the proportion equation
7,845,369.87 : 11,733,635.97 = 6,986,858.47 : x - Step 2: Convert to fraction form
7,845,369.87/11,733,635.97 = 6,986,858.47/x - Step 3: Cross multiply
7,845,369.87x = 11,733,635.97 × 6,986,858.47 - Step 4: Simplify right side
7,845,369.87x = 81,981,253,831,557.08 - Step 5: Solve for x
x = 81,981,253,831,557.08/7,845,369.87 - Step 6: Final answer
x = 10,449,635.28
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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.