Finding the Fourth Proportional to 47,968,532.82, 71,952,811.48 and 13,430,022.96
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Solution
The fourth proportional to 47,968,532.82, 71,952,811.48 and 13,430,022.96 is: 20,145,037.87
Step by Step Solution
- Step 1: Write the proportion equation
47,968,532.82 : 71,952,811.48 = 13,430,022.96 : x - Step 2: Convert to fraction form
47,968,532.82/71,952,811.48 = 13,430,022.96/x - Step 3: Cross multiply
47,968,532.82x = 71,952,811.48 × 13,430,022.96 - Step 4: Simplify right side
47,968,532.82x = 966,327,910,212,951.75 - Step 5: Solve for x
x = 966,327,910,212,951.75/47,968,532.82 - Step 6: Final answer
x = 20,145,037.87
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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.