Finding the Fourth Proportional to 8,196,191.98, 11,311,736.76 and 4,664,847.19
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Solution
The fourth proportional to 8,196,191.98, 11,311,736.76 and 4,664,847.19 is: 6,438,053.62
Step by Step Solution
- Step 1: Write the proportion equation
8,196,191.98 : 11,311,736.76 = 4,664,847.19 : x - Step 2: Convert to fraction form
8,196,191.98/11,311,736.76 = 4,664,847.19/x - Step 3: Cross multiply
8,196,191.98x = 11,311,736.76 × 4,664,847.19 - Step 4: Simplify right side
8,196,191.98x = 52,767,523,438,905.71 - Step 5: Solve for x
x = 52,767,523,438,905.71/8,196,191.98 - Step 6: Final answer
x = 6,438,053.62
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1.5x scale
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.