Finding the Fourth Proportional to 33,831,790.96, 46,687,917.76 and 18,361,875.84
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Solution
The fourth proportional to 33,831,790.96, 46,687,917.76 and 18,361,875.84 is: 25,339,413.75
Step by Step Solution
- Step 1: Write the proportion equation
33,831,790.96 : 46,687,917.76 = 18,361,875.84 : x - Step 2: Convert to fraction form
33,831,790.96/46,687,917.76 = 18,361,875.84/x - Step 3: Cross multiply
33,831,790.96x = 46,687,917.76 × 18,361,875.84 - Step 4: Simplify right side
33,831,790.96x = 857,277,749,137,250.88 - Step 5: Solve for x
x = 857,277,749,137,250.88/33,831,790.96 - Step 6: Final answer
x = 25,339,413.75
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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.