Finding the Fourth Proportional to 12,504,859.20, 18,752,623.20 and 4,930,257.60
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Solution
The fourth proportional to 12,504,859.20, 18,752,623.20 and 4,930,257.60 is: 7,393,546.91
Step by Step Solution
- Step 1: Write the proportion equation
12,504,859.20 : 18,752,623.20 = 4,930,257.60 : x - Step 2: Convert to fraction form
12,504,859.20/18,752,623.20 = 4,930,257.60/x - Step 3: Cross multiply
12,504,859.20x = 18,752,623.20 × 4,930,257.60 - Step 4: Simplify right side
12,504,859.20x = 92,455,263,051,736.31 - Step 5: Solve for x
x = 92,455,263,051,736.31/12,504,859.20 - Step 6: Final answer
x = 7,393,546.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.