Finding the Fourth Proportional to 18,397,100.10, 27,599,689.35 and 5,442,236.58
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Solution
The fourth proportional to 18,397,100.10, 27,599,689.35 and 5,442,236.58 is: 8,164,549.75
Step by Step Solution
- Step 1: Write the proportion equation
18,397,100.10 : 27,599,689.35 = 5,442,236.58 : x - Step 2: Convert to fraction form
18,397,100.10/27,599,689.35 = 5,442,236.58/x - Step 3: Cross multiply
18,397,100.10x = 27,599,689.35 × 5,442,236.58 - Step 4: Simplify right side
18,397,100.10x = 150,204,038,977,206.44 - Step 5: Solve for x
x = 150,204,038,977,206.44/18,397,100.10 - Step 6: Final answer
x = 8,164,549.75
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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.