Finding the Fourth Proportional to 10,433,080.48, 14,381,015.20 and 8,224,341.68
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Solution
The fourth proportional to 10,433,080.48, 14,381,015.20 and 8,224,341.68 is: 11,336,477.56
Step by Step Solution
- Step 1: Write the proportion equation
10,433,080.48 : 14,381,015.20 = 8,224,341.68 : x - Step 2: Convert to fraction form
10,433,080.48/14,381,015.20 = 8,224,341.68/x - Step 3: Cross multiply
10,433,080.48x = 14,381,015.20 × 8,224,341.68 - Step 4: Simplify right side
10,433,080.48x = 118,274,382,710,073.53 - Step 5: Solve for x
x = 118,274,382,710,073.53/10,433,080.48 - Step 6: Final answer
x = 11,336,477.56
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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.