Finding the Fourth Proportional to 7,170,471.10, 10,759,064.64 and 3,576,515.14
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Solution
The fourth proportional to 7,170,471.10, 10,759,064.64 and 3,576,515.14 is: 5,366,447.62
Step by Step Solution
- Step 1: Write the proportion equation
7,170,471.10 : 10,759,064.64 = 3,576,515.14 : x - Step 2: Convert to fraction form
7,170,471.10/10,759,064.64 = 3,576,515.14/x - Step 3: Cross multiply
7,170,471.10x = 10,759,064.64 × 3,576,515.14 - Step 4: Simplify right side
7,170,471.10x = 38,479,957,577,198.66 - Step 5: Solve for x
x = 38,479,957,577,198.66/7,170,471.10 - Step 6: Final answer
x = 5,366,447.62
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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.