Finding the Fourth Proportional to 18,479,880.19, 25,494,528.90 and 10,637,515.99
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Solution
The fourth proportional to 18,479,880.19, 25,494,528.90 and 10,637,515.99 is: 14,675,336.42
Step by Step Solution
- Step 1: Write the proportion equation
18,479,880.19 : 25,494,528.90 = 10,637,515.99 : x - Step 2: Convert to fraction form
18,479,880.19/25,494,528.90 = 10,637,515.99/x - Step 3: Cross multiply
18,479,880.19x = 25,494,528.90 × 10,637,515.99 - Step 4: Simplify right side
18,479,880.19x = 271,198,458,831,267.09 - Step 5: Solve for x
x = 271,198,458,831,267.09/18,479,880.19 - Step 6: Final answer
x = 14,675,336.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.