Finding the Fourth Proportional to 13,546,540.82, 18,694,363.16 and 7,351,641
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Solution
The fourth proportional to 13,546,540.82, 18,694,363.16 and 7,351,641 is: 10,145,338.84
Step by Step Solution
- Step 1: Write the proportion equation
13,546,540.82 : 18,694,363.16 = 7,351,641 : x - Step 2: Convert to fraction form
13,546,540.82/18,694,363.16 = 7,351,641/x - Step 3: Cross multiply
13,546,540.82x = 18,694,363.16 × 7,351,641 - Step 4: Simplify right side
13,546,540.82x = 137,434,246,675,945.56 - Step 5: Solve for x
x = 137,434,246,675,945.56/13,546,540.82 - Step 6: Final answer
x = 10,145,338.84
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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.