Finding the Fourth Proportional to 11,632,511.42, 16,052,865.74 and 6,405,507.12
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Solution
The fourth proportional to 11,632,511.42, 16,052,865.74 and 6,405,507.12 is: 8,839,599.81
Step by Step Solution
- Step 1: Write the proportion equation
11,632,511.42 : 16,052,865.74 = 6,405,507.12 : x - Step 2: Convert to fraction form
11,632,511.42/16,052,865.74 = 6,405,507.12/x - Step 3: Cross multiply
11,632,511.42x = 16,052,865.74 × 6,405,507.12 - Step 4: Simplify right side
11,632,511.42x = 102,826,745,793,974.08 - Step 5: Solve for x
x = 102,826,745,793,974.08/11,632,511.42 - Step 6: Final answer
x = 8,839,599.81
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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.