Finding the Fourth Proportional to 7,413,859.20, 11,120,788.80 and 4,544,077.80
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Solution
The fourth proportional to 7,413,859.20, 11,120,788.80 and 4,544,077.80 is: 6,816,116.70
Step by Step Solution
- Step 1: Write the proportion equation
7,413,859.20 : 11,120,788.80 = 4,544,077.80 : x - Step 2: Convert to fraction form
7,413,859.20/11,120,788.80 = 4,544,077.80/x - Step 3: Cross multiply
7,413,859.20x = 11,120,788.80 × 4,544,077.80 - Step 4: Simplify right side
7,413,859.20x = 50,533,729,504,568.64 - Step 5: Solve for x
x = 50,533,729,504,568.64/7,413,859.20 - Step 6: Final answer
x = 6,816,116.70
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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.