Finding the Fourth Proportional to 7,517,161.08, 10,373,758.38 and 4,079,431.80
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Solution
The fourth proportional to 7,517,161.08, 10,373,758.38 and 4,079,431.80 is: 5,629,657.18
Step by Step Solution
- Step 1: Write the proportion equation
7,517,161.08 : 10,373,758.38 = 4,079,431.80 : x - Step 2: Convert to fraction form
7,517,161.08/10,373,758.38 = 4,079,431.80/x - Step 3: Cross multiply
7,517,161.08x = 10,373,758.38 × 4,079,431.80 - Step 4: Simplify right side
7,517,161.08x = 42,319,039,820,888.48 - Step 5: Solve for x
x = 42,319,039,820,888.48/7,517,161.08 - Step 6: Final answer
x = 5,629,657.18
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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.