Finding the Fourth Proportional to 36,932,536.47, 50,969,539.14 and 20,412,305.40
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Solution
The fourth proportional to 36,932,536.47, 50,969,539.14 and 20,412,305.40 is: 28,170,439.90
Step by Step Solution
- Step 1: Write the proportion equation
36,932,536.47 : 50,969,539.14 = 20,412,305.40 : x - Step 2: Convert to fraction form
36,932,536.47/50,969,539.14 = 20,412,305.40/x - Step 3: Cross multiply
36,932,536.47x = 50,969,539.14 × 20,412,305.40 - Step 4: Simplify right side
36,932,536.47x = 1,040,405,799,022,933.25 - Step 5: Solve for x
x = 1,040,405,799,022,933.25/36,932,536.47 - Step 6: Final answer
x = 28,170,439.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.