Finding the Fourth Proportional to 8,882,403.70, 13,305,890.85 and 5,091,457.90
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Solution
The fourth proportional to 8,882,403.70, 13,305,890.85 and 5,091,457.90 is: 7,627,032.66
Step by Step Solution
- Step 1: Write the proportion equation
8,882,403.70 : 13,305,890.85 = 5,091,457.90 : x - Step 2: Convert to fraction form
8,882,403.70/13,305,890.85 = 5,091,457.90/x - Step 3: Cross multiply
8,882,403.70x = 13,305,890.85 × 5,091,457.90 - Step 4: Simplify right side
8,882,403.70x = 67,746,383,084,770.22 - Step 5: Solve for x
x = 67,746,383,084,770.22/8,882,403.70 - Step 6: Final answer
x = 7,627,032.66
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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.