Finding the Fourth Proportional to 7,816,826.40, 11,723,684.40 and 3,773,306.40
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Solution
The fourth proportional to 7,816,826.40, 11,723,684.40 and 3,773,306.40 is: 5,659,208.88
Step by Step Solution
- Step 1: Write the proportion equation
7,816,826.40 : 11,723,684.40 = 3,773,306.40 : x - Step 2: Convert to fraction form
7,816,826.40/11,723,684.40 = 3,773,306.40/x - Step 3: Cross multiply
7,816,826.40x = 11,723,684.40 × 3,773,306.40 - Step 4: Simplify right side
7,816,826.40x = 44,237,053,378,100.16 - Step 5: Solve for x
x = 44,237,053,378,100.16/7,816,826.40 - Step 6: Final answer
x = 5,659,208.88
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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.