Finding the Fourth Proportional to 33,989,602.60, 46,905,058.82 and 18,519,815.08
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Solution
The fourth proportional to 33,989,602.60, 46,905,058.82 and 18,519,815.08 is: 25,557,021.83
Step by Step Solution
- Step 1: Write the proportion equation
33,989,602.60 : 46,905,058.82 = 18,519,815.08 : x - Step 2: Convert to fraction form
33,989,602.60/46,905,058.82 = 18,519,815.08/x - Step 3: Cross multiply
33,989,602.60x = 46,905,058.82 × 18,519,815.08 - Step 4: Simplify right side
33,989,602.60x = 868,673,015,662,922.88 - Step 5: Solve for x
x = 868,673,015,662,922.88/33,989,602.60 - Step 6: Final answer
x = 25,557,021.83
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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.