Finding the Fourth Proportional to 6,382,365.18, 9,559,473.21 and 5,275,581.18
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Solution
The fourth proportional to 6,382,365.18, 9,559,473.21 and 5,275,581.18 is: 7,901,737.92
Step by Step Solution
- Step 1: Write the proportion equation
6,382,365.18 : 9,559,473.21 = 5,275,581.18 : x - Step 2: Convert to fraction form
6,382,365.18/9,559,473.21 = 5,275,581.18/x - Step 3: Cross multiply
6,382,365.18x = 9,559,473.21 × 5,275,581.18 - Step 4: Simplify right side
6,382,365.18x = 50,431,776,957,390.19 - Step 5: Solve for x
x = 50,431,776,957,390.19/6,382,365.18 - Step 6: Final answer
x = 7,901,737.92
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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.