Finding the Fourth Proportional to 10,060,378.16, 13,883,282.36 and 5,649,491.68
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Solution
The fourth proportional to 10,060,378.16, 13,883,282.36 and 5,649,491.68 is: 7,796,276.34
Step by Step Solution
- Step 1: Write the proportion equation
10,060,378.16 : 13,883,282.36 = 5,649,491.68 : x - Step 2: Convert to fraction form
10,060,378.16/13,883,282.36 = 5,649,491.68/x - Step 3: Cross multiply
10,060,378.16x = 13,883,282.36 × 5,649,491.68 - Step 4: Simplify right side
10,060,378.16x = 78,433,488,183,910.75 - Step 5: Solve for x
x = 78,433,488,183,910.75/10,060,378.16 - Step 6: Final answer
x = 7,796,276.34
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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.