Finding the Fourth Proportional to 14,052,121.68, 19,396,051.50 and 8,173,138.64
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Solution
The fourth proportional to 14,052,121.68, 19,396,051.50 and 8,173,138.64 is: 11,281,329.72
Step by Step Solution
- Step 1: Write the proportion equation
14,052,121.68 : 19,396,051.50 = 8,173,138.64 : x - Step 2: Convert to fraction form
14,052,121.68/19,396,051.50 = 8,173,138.64/x - Step 3: Cross multiply
14,052,121.68x = 19,396,051.50 × 8,173,138.64 - Step 4: Simplify right side
14,052,121.68x = 158,526,617,881,099.69 - Step 5: Solve for x
x = 158,526,617,881,099.69/14,052,121.68 - Step 6: Final answer
x = 11,281,329.72
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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.