Finding the Fourth Proportional to 13,088,181.84, 19,641,241.08 and 4,568,517.60
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Solution
The fourth proportional to 13,088,181.84, 19,641,241.08 and 4,568,517.60 is: 6,855,906.85
Step by Step Solution
- Step 1: Write the proportion equation
13,088,181.84 : 19,641,241.08 = 4,568,517.60 : x - Step 2: Convert to fraction form
13,088,181.84/19,641,241.08 = 4,568,517.60/x - Step 3: Cross multiply
13,088,181.84x = 19,641,241.08 × 4,568,517.60 - Step 4: Simplify right side
13,088,181.84x = 89,731,355,559,823 - Step 5: Solve for x
x = 89,731,355,559,823/13,088,181.84 - Step 6: Final answer
x = 6,855,906.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.