Finding the Fourth Proportional to 7,207,171.29, 9,945,219.29 and 4,879,328.49
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Solution
The fourth proportional to 7,207,171.29, 9,945,219.29 and 4,879,328.49 is: 6,733,014.92
Step by Step Solution
- Step 1: Write the proportion equation
7,207,171.29 : 9,945,219.29 = 4,879,328.49 : x - Step 2: Convert to fraction form
7,207,171.29/9,945,219.29 = 4,879,328.49/x - Step 3: Cross multiply
7,207,171.29x = 9,945,219.29 × 4,879,328.49 - Step 4: Simplify right side
7,207,171.29x = 48,525,991,796,597.93 - Step 5: Solve for x
x = 48,525,991,796,597.93/7,207,171.29 - Step 6: Final answer
x = 6,733,014.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.