Finding the Fourth Proportional to 30,278,242.87, 45,417,093.69 and 9,530,245.99
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Solution
The fourth proportional to 30,278,242.87, 45,417,093.69 and 9,530,245.99 is: 14,295,283.81
Step by Step Solution
- Step 1: Write the proportion equation
30,278,242.87 : 45,417,093.69 = 9,530,245.99 : x - Step 2: Convert to fraction form
30,278,242.87/45,417,093.69 = 9,530,245.99/x - Step 3: Cross multiply
30,278,242.87x = 45,417,093.69 × 9,530,245.99 - Step 4: Simplify right side
30,278,242.87x = 432,836,075,016,576.81 - Step 5: Solve for x
x = 432,836,075,016,576.81/30,278,242.87 - Step 6: Final answer
x = 14,295,283.81
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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.