Finding the Fourth Proportional to 33,729,132.78, 46,546,193.37 and 18,259,205.94
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Solution
The fourth proportional to 33,729,132.78, 46,546,193.37 and 18,259,205.94 is: 25,197,698.86
Step by Step Solution
- Step 1: Write the proportion equation
33,729,132.78 : 46,546,193.37 = 18,259,205.94 : x - Step 2: Convert to fraction form
33,729,132.78/46,546,193.37 = 18,259,205.94/x - Step 3: Cross multiply
33,729,132.78x = 46,546,193.37 × 18,259,205.94 - Step 4: Simplify right side
33,729,132.78x = 849,896,530,465,892.62 - Step 5: Solve for x
x = 849,896,530,465,892.62/33,729,132.78 - Step 6: Final answer
x = 25,197,698.86
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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.