Finding the Fourth Proportional to 27,325,649.08, 40,987,073.94 and 8,156,564.92
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Solution
The fourth proportional to 27,325,649.08, 40,987,073.94 and 8,156,564.92 is: 12,234,429.58
Step by Step Solution
- Step 1: Write the proportion equation
27,325,649.08 : 40,987,073.94 = 8,156,564.92 : x - Step 2: Convert to fraction form
27,325,649.08/40,987,073.94 = 8,156,564.92/x - Step 3: Cross multiply
27,325,649.08x = 40,987,073.94 × 8,156,564.92 - Step 4: Simplify right side
27,325,649.08x = 334,313,729,472,450.19 - Step 5: Solve for x
x = 334,313,729,472,450.19/27,325,649.08 - Step 6: Final answer
x = 12,234,429.58
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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.