Finding the Fourth Proportional to 18,384,986.09, 27,541,602.71 and 14,322,451.84
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Solution
The fourth proportional to 18,384,986.09, 27,541,602.71 and 14,322,451.84 is: 21,455,728.94
Step by Step Solution
- Step 1: Write the proportion equation
18,384,986.09 : 27,541,602.71 = 14,322,451.84 : x - Step 2: Convert to fraction form
18,384,986.09/27,541,602.71 = 14,322,451.84/x - Step 3: Cross multiply
18,384,986.09x = 27,541,602.71 × 14,322,451.84 - Step 4: Simplify right side
18,384,986.09x = 394,463,278,201,068.19 - Step 5: Solve for x
x = 394,463,278,201,068.19/18,384,986.09 - Step 6: Final answer
x = 21,455,728.94
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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.