Finding the Fourth Proportional to 8,427,192.68, 11,629,855.26 and 4,756,236.23
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Solution
The fourth proportional to 8,427,192.68, 11,629,855.26 and 4,756,236.23 is: 6,563,791.89
Step by Step Solution
- Step 1: Write the proportion equation
8,427,192.68 : 11,629,855.26 = 4,756,236.23 : x - Step 2: Convert to fraction form
8,427,192.68/11,629,855.26 = 4,756,236.23/x - Step 3: Cross multiply
8,427,192.68x = 11,629,855.26 × 4,756,236.23 - Step 4: Simplify right side
8,427,192.68x = 55,314,338,966,342.70 - Step 5: Solve for x
x = 55,314,338,966,342.70/8,427,192.68 - Step 6: Final answer
x = 6,563,791.89
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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.