Finding the Fourth Proportional to 18,413,625.98, 27,621,546.14 and 5,634,241.40
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Solution
The fourth proportional to 18,413,625.98, 27,621,546.14 and 5,634,241.40 is: 8,451,700.87
Step by Step Solution
- Step 1: Write the proportion equation
18,413,625.98 : 27,621,546.14 = 5,634,241.40 : x - Step 2: Convert to fraction form
18,413,625.98/27,621,546.14 = 5,634,241.40/x - Step 3: Cross multiply
18,413,625.98x = 27,621,546.14 × 5,634,241.40 - Step 4: Simplify right side
18,413,625.98x = 155,626,458,627,719.25 - Step 5: Solve for x
x = 155,626,458,627,719.25/18,413,625.98 - Step 6: Final answer
x = 8,451,700.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.