Finding the Fourth Proportional to 8,754,651.62, 11,993,816.73 and 8,427,268.94
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Solution
The fourth proportional to 8,754,651.62, 11,993,816.73 and 8,427,268.94 is: 11,545,304.55
Step by Step Solution
- Step 1: Write the proportion equation
8,754,651.62 : 11,993,816.73 = 8,427,268.94 : x - Step 2: Convert to fraction form
8,754,651.62/11,993,816.73 = 8,427,268.94/x - Step 3: Cross multiply
8,754,651.62x = 11,993,816.73 × 8,427,268.94 - Step 4: Simplify right side
8,754,651.62x = 101,075,119,158,645.02 - Step 5: Solve for x
x = 101,075,119,158,645.02/8,754,651.62 - Step 6: Final answer
x = 11,545,304.55
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1.5x scale
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.