Finding the Fourth Proportional to 12,795,336.88, 19,200,589.41 and 4,713,982.99
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Solution
The fourth proportional to 12,795,336.88, 19,200,589.41 and 4,713,982.99 is: 7,073,768.57
Step by Step Solution
- Step 1: Write the proportion equation
12,795,336.88 : 19,200,589.41 = 4,713,982.99 : x - Step 2: Convert to fraction form
12,795,336.88/19,200,589.41 = 4,713,982.99/x - Step 3: Cross multiply
12,795,336.88x = 19,200,589.41 × 4,713,982.99 - Step 4: Simplify right side
12,795,336.88x = 90,511,251,876,714.14 - Step 5: Solve for x
x = 90,511,251,876,714.14/12,795,336.88 - Step 6: Final answer
x = 7,073,768.57
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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.