Finding the Fourth Proportional to 12,248,324.01, 18,369,745.88 and 3,610,581.62
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Solution
The fourth proportional to 12,248,324.01, 18,369,745.88 and 3,610,581.62 is: 5,415,064.68
Step by Step Solution
- Step 1: Write the proportion equation
12,248,324.01 : 18,369,745.88 = 3,610,581.62 : x - Step 2: Convert to fraction form
12,248,324.01/18,369,745.88 = 3,610,581.62/x - Step 3: Cross multiply
12,248,324.01x = 18,369,745.88 × 3,610,581.62 - Step 4: Simplify right side
12,248,324.01x = 66,325,466,728,497.09 - Step 5: Solve for x
x = 66,325,466,728,497.09/12,248,324.01 - Step 6: Final answer
x = 5,415,064.68
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1.5x scale
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.