Finding the Fourth Proportional to 7,720,716.36, 11,581,158.38 and 2,329,415.08
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Solution
The fourth proportional to 7,720,716.36, 11,581,158.38 and 2,329,415.08 is: 3,494,147.92
Step by Step Solution
- Step 1: Write the proportion equation
7,720,716.36 : 11,581,158.38 = 2,329,415.08 : x - Step 2: Convert to fraction form
7,720,716.36/11,581,158.38 = 2,329,415.08/x - Step 3: Cross multiply
7,720,716.36x = 11,581,158.38 × 2,329,415.08 - Step 4: Simplify right side
7,720,716.36x = 26,977,324,974,240.38 - Step 5: Solve for x
x = 26,977,324,974,240.38/7,720,716.36 - Step 6: Final answer
x = 3,494,147.92
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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.