Finding the Fourth Proportional to 14,576,715.20, 20,115,866.69 and 8,465,537.36
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Solution
The fourth proportional to 14,576,715.20, 20,115,866.69 and 8,465,537.36 is: 11,682,441.38
Step by Step Solution
- Step 1: Write the proportion equation
14,576,715.20 : 20,115,866.69 = 8,465,537.36 : x - Step 2: Convert to fraction form
14,576,715.20/20,115,866.69 = 8,465,537.36/x - Step 3: Cross multiply
14,576,715.20x = 20,115,866.69 × 8,465,537.36 - Step 4: Simplify right side
14,576,715.20x = 170,291,620,850,067.53 - Step 5: Solve for x
x = 170,291,620,850,067.53/14,576,715.20 - Step 6: Final answer
x = 11,682,441.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.