Finding the Fourth Proportional to 11,873,069.28, 16,384,840.92 and 6,716,320.92
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Solution
The fourth proportional to 11,873,069.28, 16,384,840.92 and 6,716,320.92 is: 9,268,525.88
Step by Step Solution
- Step 1: Write the proportion equation
11,873,069.28 : 16,384,840.92 = 6,716,320.92 : x - Step 2: Convert to fraction form
11,873,069.28/16,384,840.92 = 6,716,320.92/x - Step 3: Cross multiply
11,873,069.28x = 16,384,840.92 × 6,716,320.92 - Step 4: Simplify right side
11,873,069.28x = 110,045,849,841,868.05 - Step 5: Solve for x
x = 110,045,849,841,868.05/11,873,069.28 - Step 6: Final answer
x = 9,268,525.88
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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.