Finding the Fourth Proportional to 30,278,241.87, 45,417,092.19 and 9,530,244.99
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Solution
The fourth proportional to 30,278,241.87, 45,417,092.19 and 9,530,244.99 is: 14,295,282.31
Step by Step Solution
- Step 1: Write the proportion equation
30,278,241.87 : 45,417,092.19 = 9,530,244.99 : x - Step 2: Convert to fraction form
30,278,241.87/45,417,092.19 = 9,530,244.99/x - Step 3: Cross multiply
30,278,241.87x = 45,417,092.19 × 9,530,244.99 - Step 4: Simplify right side
30,278,241.87x = 432,836,015,304,115.62 - Step 5: Solve for x
x = 432,836,015,304,115.62/30,278,241.87 - Step 6: Final answer
x = 14,295,282.31
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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.