Finding the Fourth Proportional to 13,771,336.09, 19,004,415.26 and 7,576,367.90
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Solution
The fourth proportional to 13,771,336.09, 19,004,415.26 and 7,576,367.90 is: 10,455,371.99
Step by Step Solution
- Step 1: Write the proportion equation
13,771,336.09 : 19,004,415.26 = 7,576,367.90 : x - Step 2: Convert to fraction form
13,771,336.09/19,004,415.26 = 7,576,367.90/x - Step 3: Cross multiply
13,771,336.09x = 19,004,415.26 × 7,576,367.90 - Step 4: Simplify right side
13,771,336.09x = 143,984,441,601,230.22 - Step 5: Solve for x
x = 143,984,441,601,230.22/13,771,336.09 - Step 6: Final answer
x = 10,455,371.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.