Finding the Fourth Proportional to 18,168,319.53, 27,263,825.01 and 12,107,304.18
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Solution
The fourth proportional to 18,168,319.53, 27,263,825.01 and 12,107,304.18 is: 18,168,517.01
Step by Step Solution
- Step 1: Write the proportion equation
18,168,319.53 : 27,263,825.01 = 12,107,304.18 : x - Step 2: Convert to fraction form
18,168,319.53/27,263,825.01 = 12,107,304.18/x - Step 3: Cross multiply
18,168,319.53x = 27,263,825.01 × 12,107,304.18 - Step 4: Simplify right side
18,168,319.53x = 330,091,422,506,361.56 - Step 5: Solve for x
x = 330,091,422,506,361.56/18,168,319.53 - Step 6: Final answer
x = 18,168,517.01
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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.