Finding the Fourth Proportional to 8,754,651.12, 11,993,816.04 and 8,427,268.44
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Solution
The fourth proportional to 8,754,651.12, 11,993,816.04 and 8,427,268.44 is: 11,545,303.86
Step by Step Solution
- Step 1: Write the proportion equation
8,754,651.12 : 11,993,816.04 = 8,427,268.44 : x - Step 2: Convert to fraction form
8,754,651.12/11,993,816.04 = 8,427,268.44/x - Step 3: Cross multiply
8,754,651.12x = 11,993,816.04 × 8,427,268.44 - Step 4: Simplify right side
8,754,651.12x = 101,075,107,389,057.77 - Step 5: Solve for x
x = 101,075,107,389,057.77/8,754,651.12 - Step 6: Final answer
x = 11,545,303.86
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.