Finding the Fourth Proportional to 20,007,282.94, 27,609,690.18 and 11,305,268.26
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Solution
The fourth proportional to 20,007,282.94, 27,609,690.18 and 11,305,268.26 is: 15,601,066.62
Step by Step Solution
- Step 1: Write the proportion equation
20,007,282.94 : 27,609,690.18 = 11,305,268.26 : x - Step 2: Convert to fraction form
20,007,282.94/27,609,690.18 = 11,305,268.26/x - Step 3: Cross multiply
20,007,282.94x = 27,609,690.18 × 11,305,268.26 - Step 4: Simplify right side
20,007,282.94x = 312,134,954,060,387.69 - Step 5: Solve for x
x = 312,134,954,060,387.69/20,007,282.94 - Step 6: Final answer
x = 15,601,066.62
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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.