Finding the Fourth Proportional to 33,831,744.81, 46,687,853.30 and 18,361,829.67
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Solution
The fourth proportional to 33,831,744.81, 46,687,853.30 and 18,361,829.67 is: 25,339,349.62
Step by Step Solution
- Step 1: Write the proportion equation
33,831,744.81 : 46,687,853.30 = 18,361,829.67 : x - Step 2: Convert to fraction form
33,831,744.81/46,687,853.30 = 18,361,829.67/x - Step 3: Cross multiply
33,831,744.81x = 46,687,853.30 × 18,361,829.67 - Step 4: Simplify right side
33,831,744.81x = 857,274,409,860,738.38 - Step 5: Solve for x
x = 857,274,409,860,738.38/33,831,744.81 - Step 6: Final answer
x = 25,339,349.62
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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.