Finding the Fourth Proportional to 36,690,523.73, 55,042,428.60 and 18,448,811.40
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Solution
The fourth proportional to 36,690,523.73, 55,042,428.60 and 18,448,811.40 is: 27,676,557.35
Step by Step Solution
- Step 1: Write the proportion equation
36,690,523.73 : 55,042,428.60 = 18,448,811.40 : x - Step 2: Convert to fraction form
36,690,523.73/55,042,428.60 = 18,448,811.40/x - Step 3: Cross multiply
36,690,523.73x = 55,042,428.60 × 18,448,811.40 - Step 4: Simplify right side
36,690,523.73x = 1,015,467,384,239,366 - Step 5: Solve for x
x = 1,015,467,384,239,366/36,690,523.73 - Step 6: Final answer
x = 27,676,557.35
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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.