Finding the Fourth Proportional to 47,921,512.09, 71,882,268 and 11,529,902.98
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Solution
The fourth proportional to 47,921,512.09, 71,882,268 and 11,529,902.98 is: 17,294,854.44
Step by Step Solution
- Step 1: Write the proportion equation
47,921,512.09 : 71,882,268 = 11,529,902.98 : x - Step 2: Convert to fraction form
47,921,512.09/71,882,268 = 11,529,902.98/x - Step 3: Cross multiply
47,921,512.09x = 71,882,268 × 11,529,902.98 - Step 4: Simplify right side
47,921,512.09x = 828,795,576,022,358.62 - Step 5: Solve for x
x = 828,795,576,022,358.62/47,921,512.09 - Step 6: Final answer
x = 17,294,854.44
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1.5x scale
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.