Finding the Fourth Proportional to 7,322,328.42, 10,102,768.00 and 5,768,767.92
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Solution
The fourth proportional to 7,322,328.42, 10,102,768.00 and 5,768,767.92 is: 7,959,288.43
Step by Step Solution
- Step 1: Write the proportion equation
7,322,328.42 : 10,102,768.00 = 5,768,767.92 : x - Step 2: Convert to fraction form
7,322,328.42/10,102,768.00 = 5,768,767.92/x - Step 3: Cross multiply
7,322,328.42x = 10,102,768.00 × 5,768,767.92 - Step 4: Simplify right side
7,322,328.42x = 58,280,523,862,244.88 - Step 5: Solve for x
x = 58,280,523,862,244.88/7,322,328.42 - Step 6: Final answer
x = 7,959,288.43
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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.