Finding the Fourth Proportional to 12,238,290.12, 18,351,117.84 and 3,601,268.14
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Solution
The fourth proportional to 12,238,290.12, 18,351,117.84 and 3,601,268.14 is: 5,400,043.25
Step by Step Solution
- Step 1: Write the proportion equation
12,238,290.12 : 18,351,117.84 = 3,601,268.14 : x - Step 2: Convert to fraction form
12,238,290.12/18,351,117.84 = 3,601,268.14/x - Step 3: Cross multiply
12,238,290.12x = 18,351,117.84 × 3,601,268.14 - Step 4: Simplify right side
12,238,290.12x = 66,087,296,010,577.62 - Step 5: Solve for x
x = 66,087,296,010,577.62/12,238,290.12 - Step 6: Final answer
x = 5,400,043.25
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1.5x scale
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.