Finding the Fourth Proportional to 23,505,877.39, 32,438,110.73 and 13,192,600.49
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Solution
The fourth proportional to 23,505,877.39, 32,438,110.73 and 13,192,600.49 is: 18,205,788.64
Step by Step Solution
- Step 1: Write the proportion equation
23,505,877.39 : 32,438,110.73 = 13,192,600.49 : x - Step 2: Convert to fraction form
23,505,877.39/32,438,110.73 = 13,192,600.49/x - Step 3: Cross multiply
23,505,877.39x = 32,438,110.73 × 13,192,600.49 - Step 4: Simplify right side
23,505,877.39x = 427,943,035,511,272.25 - Step 5: Solve for x
x = 427,943,035,511,272.25/23,505,877.39 - Step 6: Final answer
x = 18,205,788.64
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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.