Finding the Fourth Proportional to 32,872,769.34, 45,365,760.18 and 18,188,197.80
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Solution
The fourth proportional to 32,872,769.34, 45,365,760.18 and 18,188,197.80 is: 25,100,453.54
Step by Step Solution
- Step 1: Write the proportion equation
32,872,769.34 : 45,365,760.18 = 18,188,197.80 : x - Step 2: Convert to fraction form
32,872,769.34/45,365,760.18 = 18,188,197.80/x - Step 3: Cross multiply
32,872,769.34x = 45,365,760.18 × 18,188,197.80 - Step 4: Simplify right side
32,872,769.34x = 825,121,419,501,203.62 - Step 5: Solve for x
x = 825,121,419,501,203.62/32,872,769.34 - Step 6: Final answer
x = 25,100,453.54
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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.