Finding the Fourth Proportional to 18,321,723.10, 27,480,616.35 and 4,858,551.10
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Solution
The fourth proportional to 18,321,723.10, 27,480,616.35 and 4,858,551.10 is: 7,287,304.70
Step by Step Solution
- Step 1: Write the proportion equation
18,321,723.10 : 27,480,616.35 = 4,858,551.10 : x - Step 2: Convert to fraction form
18,321,723.10/27,480,616.35 = 4,858,551.10/x - Step 3: Cross multiply
18,321,723.10x = 27,480,616.35 × 4,858,551.10 - Step 4: Simplify right side
18,321,723.10x = 133,515,978,795,970.48 - Step 5: Solve for x
x = 133,515,978,795,970.48/18,321,723.10 - Step 6: Final answer
x = 7,287,304.70
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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.