Finding the Fourth Proportional to 27,458,906.09, 40,945,756.41 and 27,212,450.63
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Solution
The fourth proportional to 27,458,906.09, 40,945,756.41 and 27,212,450.63 is: 40,578,250.68
Step by Step Solution
- Step 1: Write the proportion equation
27,458,906.09 : 40,945,756.41 = 27,212,450.63 : x - Step 2: Convert to fraction form
27,458,906.09/40,945,756.41 = 27,212,450.63/x - Step 3: Cross multiply
27,458,906.09x = 40,945,756.41 × 27,212,450.63 - Step 4: Simplify right side
27,458,906.09x = 1,114,234,374,610,402.12 - Step 5: Solve for x
x = 1,114,234,374,610,402.12/27,458,906.09 - Step 6: Final answer
x = 40,578,250.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.