Finding the Fourth Proportional to 12,264,361.60, 18,382,592.16 and 7,461,463.68
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Solution
The fourth proportional to 12,264,361.60, 18,382,592.16 and 7,461,463.68 is: 11,183,708.39
Step by Step Solution
- Step 1: Write the proportion equation
12,264,361.60 : 18,382,592.16 = 7,461,463.68 : x - Step 2: Convert to fraction form
12,264,361.60/18,382,592.16 = 7,461,463.68/x - Step 3: Cross multiply
12,264,361.60x = 18,382,592.16 × 7,461,463.68 - Step 4: Simplify right side
12,264,361.60x = 137,161,043,746,092.75 - Step 5: Solve for x
x = 137,161,043,746,092.75/12,264,361.60 - Step 6: Final answer
x = 11,183,708.39
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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.