Finding the Fourth Proportional to 8,276,198.53, 11,421,153.98 and 4,605,351.57
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Solution
The fourth proportional to 8,276,198.53, 11,421,153.98 and 4,605,351.57 is: 6,355,385.17
Step by Step Solution
- Step 1: Write the proportion equation
8,276,198.53 : 11,421,153.98 = 4,605,351.57 : x - Step 2: Convert to fraction form
8,276,198.53/11,421,153.98 = 4,605,351.57/x - Step 3: Cross multiply
8,276,198.53x = 11,421,153.98 × 4,605,351.57 - Step 4: Simplify right side
8,276,198.53x = 52,598,429,413,004.76 - Step 5: Solve for x
x = 52,598,429,413,004.76/8,276,198.53 - Step 6: Final answer
x = 6,355,385.17
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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.