Finding the Fourth Proportional to 51,284,514.70, 76,861,453.65 and 20,958,114.70
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Solution
The fourth proportional to 51,284,514.70, 76,861,453.65 and 20,958,114.70 is: 31,410,478.80
Step by Step Solution
- Step 1: Write the proportion equation
51,284,514.70 : 76,861,453.65 = 20,958,114.70 : x - Step 2: Convert to fraction form
51,284,514.70/76,861,453.65 = 20,958,114.70/x - Step 3: Cross multiply
51,284,514.70x = 76,861,453.65 × 20,958,114.70 - Step 4: Simplify right side
51,284,514.70x = 1,610,871,161,605,433.75 - Step 5: Solve for x
x = 1,610,871,161,605,433.75/51,284,514.70 - Step 6: Final answer
x = 31,410,478.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.