Finding the Fourth Proportional to 33,287,558.22, 45,938,249.03 and 18,603,224.07
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Solution
The fourth proportional to 33,287,558.22, 45,938,249.03 and 18,603,224.07 is: 25,673,242.07
Step by Step Solution
- Step 1: Write the proportion equation
33,287,558.22 : 45,938,249.03 = 18,603,224.07 : x - Step 2: Convert to fraction form
33,287,558.22/45,938,249.03 = 18,603,224.07/x - Step 3: Cross multiply
33,287,558.22x = 45,938,249.03 × 18,603,224.07 - Step 4: Simplify right side
33,287,558.22x = 854,599,539,995,534 - Step 5: Solve for x
x = 854,599,539,995,534/33,287,558.22 - Step 6: Final answer
x = 25,673,242.07
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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.