Finding the Fourth Proportional to 18,110,168.01, 24,989,763.51 and 12,242,568.92
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Solution
The fourth proportional to 18,110,168.01, 24,989,763.51 and 12,242,568.92 is: 16,893,211.69
Step by Step Solution
- Step 1: Write the proportion equation
18,110,168.01 : 24,989,763.51 = 12,242,568.92 : x - Step 2: Convert to fraction form
18,110,168.01/24,989,763.51 = 12,242,568.92/x - Step 3: Cross multiply
18,110,168.01x = 24,989,763.51 × 12,242,568.92 - Step 4: Simplify right side
18,110,168.01x = 305,938,901,940,727.31 - Step 5: Solve for x
x = 305,938,901,940,727.31/18,110,168.01 - Step 6: Final answer
x = 16,893,211.69
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1.5x scale
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.