Finding the Fourth Proportional to 33,682,032.30, 46,481,237.56 and 18,212,112.84
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Solution
The fourth proportional to 33,682,032.30, 46,481,237.56 and 18,212,112.84 is: 25,132,733.55
Step by Step Solution
- Step 1: Write the proportion equation
33,682,032.30 : 46,481,237.56 = 18,212,112.84 : x - Step 2: Convert to fraction form
33,682,032.30/46,481,237.56 = 18,212,112.84/x - Step 3: Cross multiply
33,682,032.30x = 46,481,237.56 × 18,212,112.84 - Step 4: Simplify right side
33,682,032.30x = 846,521,543,385,566.25 - Step 5: Solve for x
x = 846,521,543,385,566.25/33,682,032.30 - Step 6: Final answer
x = 25,132,733.55
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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.