Finding the Fourth Proportional to 18,135,074.40, 27,202,611.60 and 17,967,112.80
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Solution
The fourth proportional to 18,135,074.40, 27,202,611.60 and 17,967,112.80 is: 26,950,669.20
Step by Step Solution
- Step 1: Write the proportion equation
18,135,074.40 : 27,202,611.60 = 17,967,112.80 : x - Step 2: Convert to fraction form
18,135,074.40/27,202,611.60 = 17,967,112.80/x - Step 3: Cross multiply
18,135,074.40x = 27,202,611.60 × 17,967,112.80 - Step 4: Simplify right side
18,135,074.40x = 488,752,391,071,788.50 - Step 5: Solve for x
x = 488,752,391,071,788.50/18,135,074.40 - Step 6: Final answer
x = 26,950,669.20
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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.