Finding the Fourth Proportional to 45,512,217, 68,268,391.11 and 18,585,873
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Solution
The fourth proportional to 45,512,217, 68,268,391.11 and 18,585,873 is: 27,878,836.29
Step by Step Solution
- Step 1: Write the proportion equation
45,512,217 : 68,268,391.11 = 18,585,873 : x - Step 2: Convert to fraction form
45,512,217/68,268,391.11 = 18,585,873/x - Step 3: Cross multiply
45,512,217x = 68,268,391.11 × 18,585,873 - Step 4: Simplify right side
45,512,217x = 1,268,827,647,084,789 - Step 5: Solve for x
x = 1,268,827,647,084,789/45,512,217 - Step 6: Final answer
x = 27,878,836.29
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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.