Finding the Fourth Proportional to 12,795,747.62, 19,193,621.49 and 4,276,084.09
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Solution
The fourth proportional to 12,795,747.62, 19,193,621.49 and 4,276,084.09 is: 6,414,126.15
Step by Step Solution
- Step 1: Write the proportion equation
12,795,747.62 : 19,193,621.49 = 4,276,084.09 : x - Step 2: Convert to fraction form
12,795,747.62/19,193,621.49 = 4,276,084.09/x - Step 3: Cross multiply
12,795,747.62x = 19,193,621.49 × 4,276,084.09 - Step 4: Simplify right side
12,795,747.62x = 82,073,539,434,887.05 - Step 5: Solve for x
x = 82,073,539,434,887.05/12,795,747.62 - Step 6: Final answer
x = 6,414,126.15
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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.