Finding the Fourth Proportional to 36,330,538.64, 50,135,778.24 and 19,810,622.66
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Solution
The fourth proportional to 36,330,538.64, 50,135,778.24 and 19,810,622.66 is: 27,338,460.20
Step by Step Solution
- Step 1: Write the proportion equation
36,330,538.64 : 50,135,778.24 = 19,810,622.66 : x - Step 2: Convert to fraction form
36,330,538.64/50,135,778.24 = 19,810,622.66/x - Step 3: Cross multiply
36,330,538.64x = 50,135,778.24 × 19,810,622.66 - Step 4: Simplify right side
36,330,538.64x = 993,220,984,478,079 - Step 5: Solve for x
x = 993,220,984,478,079/36,330,538.64 - Step 6: Final answer
x = 27,338,460.20
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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.