Finding the Fourth Proportional to 18,257,069.63, 27,390,724.24 and 7,334,928.93
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Solution
The fourth proportional to 18,257,069.63, 27,390,724.24 and 7,334,928.93 is: 11,004,450.31
Step by Step Solution
- Step 1: Write the proportion equation
18,257,069.63 : 27,390,724.24 = 7,334,928.93 : x - Step 2: Convert to fraction form
18,257,069.63/27,390,724.24 = 7,334,928.93/x - Step 3: Cross multiply
18,257,069.63x = 27,390,724.24 × 7,334,928.93 - Step 4: Simplify right side
18,257,069.63x = 200,909,015,504,674.62 - Step 5: Solve for x
x = 200,909,015,504,674.62/18,257,069.63 - Step 6: Final answer
x = 11,004,450.31
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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.