Finding the Fourth Proportional to 7,399,631.75, 10,211,532.77 and 4,136,584.01
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Solution
The fourth proportional to 7,399,631.75, 10,211,532.77 and 4,136,584.01 is: 5,708,508.82
Step by Step Solution
- Step 1: Write the proportion equation
7,399,631.75 : 10,211,532.77 = 4,136,584.01 : x - Step 2: Convert to fraction form
7,399,631.75/10,211,532.77 = 4,136,584.01/x - Step 3: Cross multiply
7,399,631.75x = 10,211,532.77 × 4,136,584.01 - Step 4: Simplify right side
7,399,631.75x = 42,240,863,102,232.42 - Step 5: Solve for x
x = 42,240,863,102,232.42/7,399,631.75 - Step 6: Final answer
x = 5,708,508.82
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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.