Finding the Fourth Proportional to 36,690,530.23, 55,042,438.35 and 18,448,817.90
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Solution
The fourth proportional to 36,690,530.23, 55,042,438.35 and 18,448,817.90 is: 27,676,567.10
Step by Step Solution
- Step 1: Write the proportion equation
36,690,530.23 : 55,042,438.35 = 18,448,817.90 : x - Step 2: Convert to fraction form
36,690,530.23/55,042,438.35 = 18,448,817.90/x - Step 3: Cross multiply
36,690,530.23x = 55,042,438.35 × 18,448,817.90 - Step 4: Simplify right side
36,690,530.23x = 1,015,467,921,891,126.38 - Step 5: Solve for x
x = 1,015,467,921,891,126.38/36,690,530.23 - Step 6: Final answer
x = 27,676,567.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.