Finding the Fourth Proportional to 33,831,716.98, 46,687,814.49 and 18,361,801.63
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Solution
The fourth proportional to 33,831,716.98, 46,687,814.49 and 18,361,801.63 is: 25,339,310.70
Step by Step Solution
- Step 1: Write the proportion equation
33,831,716.98 : 46,687,814.49 = 18,361,801.63 : x - Step 2: Convert to fraction form
33,831,716.98/46,687,814.49 = 18,361,801.63/x - Step 3: Cross multiply
33,831,716.98x = 46,687,814.49 × 18,361,801.63 - Step 4: Simplify right side
33,831,716.98x = 857,272,388,203,619.62 - Step 5: Solve for x
x = 857,272,388,203,619.62/33,831,716.98 - Step 6: Final answer
x = 25,339,310.70
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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.