Finding the Fourth Proportional to 8,711,725.28, 12,021,687.09 and 4,844,163.40
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Solution
The fourth proportional to 8,711,725.28, 12,021,687.09 and 4,844,163.40 is: 6,684,670.92
Step by Step Solution
- Step 1: Write the proportion equation
8,711,725.28 : 12,021,687.09 = 4,844,163.40 : x - Step 2: Convert to fraction form
8,711,725.28/12,021,687.09 = 4,844,163.40/x - Step 3: Cross multiply
8,711,725.28x = 12,021,687.09 × 4,844,163.40 - Step 4: Simplify right side
8,711,725.28x = 58,235,016,645,198.28 - Step 5: Solve for x
x = 58,235,016,645,198.28/8,711,725.28 - Step 6: Final answer
x = 6,684,670.92
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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.