Finding the Fourth Proportional to 10,295,441.55, 14,207,703.84 and 5,649,257.10
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Solution
The fourth proportional to 10,295,441.55, 14,207,703.84 and 5,649,257.10 is: 7,795,971.78
Step by Step Solution
- Step 1: Write the proportion equation
10,295,441.55 : 14,207,703.84 = 5,649,257.10 : x - Step 2: Convert to fraction form
10,295,441.55/14,207,703.84 = 5,649,257.10/x - Step 3: Cross multiply
10,295,441.55x = 14,207,703.84 × 5,649,257.10 - Step 4: Simplify right side
10,295,441.55x = 80,262,971,792,817.27 - Step 5: Solve for x
x = 80,262,971,792,817.27/10,295,441.55 - Step 6: Final answer
x = 7,795,971.78
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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.