Finding the Fourth Proportional to 35,970,458.09, 49,638,003.81 and 20,505,524.99
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Solution
The fourth proportional to 35,970,458.09, 49,638,003.81 and 20,505,524.99 is: 28,296,924.24
Step by Step Solution
- Step 1: Write the proportion equation
35,970,458.09 : 49,638,003.81 = 20,505,524.99 : x - Step 2: Convert to fraction form
35,970,458.09/49,638,003.81 = 20,505,524.99/x - Step 3: Cross multiply
35,970,458.09x = 49,638,003.81 × 20,505,524.99 - Step 4: Simplify right side
35,970,458.09x = 1,017,853,327,579,670.12 - Step 5: Solve for x
x = 1,017,853,327,579,670.12/35,970,458.09 - Step 6: Final answer
x = 28,296,924.24
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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.