Finding the Fourth Proportional to 18,876,907.62, 26,052,131.52 and 11,539,036.08
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Solution
The fourth proportional to 18,876,907.62, 26,052,131.52 and 11,539,036.08 is: 15,925,091.74
Step by Step Solution
- Step 1: Write the proportion equation
18,876,907.62 : 26,052,131.52 = 11,539,036.08 : x - Step 2: Convert to fraction form
18,876,907.62/26,052,131.52 = 11,539,036.08/x - Step 3: Cross multiply
18,876,907.62x = 26,052,131.52 × 11,539,036.08 - Step 4: Simplify right side
18,876,907.62x = 300,616,485,570,185.25 - Step 5: Solve for x
x = 300,616,485,570,185.25/18,876,907.62 - Step 6: Final answer
x = 15,925,091.74
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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.