Finding the Fourth Proportional to 18,212,351.14, 25,134,477.24 and 10,372,194.82
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Solution
The fourth proportional to 18,212,351.14, 25,134,477.24 and 10,372,194.82 is: 14,314,444.78
Step by Step Solution
- Step 1: Write the proportion equation
18,212,351.14 : 25,134,477.24 = 10,372,194.82 : x - Step 2: Convert to fraction form
18,212,351.14/25,134,477.24 = 10,372,194.82/x - Step 3: Cross multiply
18,212,351.14x = 25,134,477.24 × 10,372,194.82 - Step 4: Simplify right side
18,212,351.14x = 260,699,694,632,135.88 - Step 5: Solve for x
x = 260,699,694,632,135.88/18,212,351.14 - Step 6: Final answer
x = 14,314,444.78
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1.5x scale
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.