Finding the Fourth Proportional to 32,055,657.68, 44,230,288.20 and 18,997,170.32
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Solution
The fourth proportional to 32,055,657.68, 44,230,288.20 and 18,997,170.32 is: 26,212,231.45
Step by Step Solution
- Step 1: Write the proportion equation
32,055,657.68 : 44,230,288.20 = 18,997,170.32 : x - Step 2: Convert to fraction form
32,055,657.68/44,230,288.20 = 18,997,170.32/x - Step 3: Cross multiply
32,055,657.68x = 44,230,288.20 × 18,997,170.32 - Step 4: Simplify right side
32,055,657.68x = 840,250,318,238,086.25 - Step 5: Solve for x
x = 840,250,318,238,086.25/32,055,657.68 - Step 6: Final answer
x = 26,212,231.45
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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.