Finding the Fourth Proportional to 37,419,939.68, 56,131,921.63 and 11,862,941.99
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Solution
The fourth proportional to 37,419,939.68, 56,131,921.63 and 11,862,941.99 is: 17,795,050.87
Step by Step Solution
- Step 1: Write the proportion equation
37,419,939.68 : 56,131,921.63 = 11,862,941.99 : x - Step 2: Convert to fraction form
37,419,939.68/56,131,921.63 = 11,862,941.99/x - Step 3: Cross multiply
37,419,939.68x = 56,131,921.63 × 11,862,941.99 - Step 4: Simplify right side
37,419,939.68x = 665,889,730,239,074.75 - Step 5: Solve for x
x = 665,889,730,239,074.75/37,419,939.68 - Step 6: Final answer
x = 17,795,050.87
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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.