Finding the Fourth Proportional to 12,335,592.96, 17,024,908.32 and 7,107,583.68
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Solution
The fourth proportional to 12,335,592.96, 17,024,908.32 and 7,107,583.68 is: 9,809,496.87
Step by Step Solution
- Step 1: Write the proportion equation
12,335,592.96 : 17,024,908.32 = 7,107,583.68 : x - Step 2: Convert to fraction form
12,335,592.96/17,024,908.32 = 7,107,583.68/x - Step 3: Cross multiply
12,335,592.96x = 17,024,908.32 × 7,107,583.68 - Step 4: Simplify right side
12,335,592.96x = 121,005,960,528,728.22 - Step 5: Solve for x
x = 121,005,960,528,728.22/12,335,592.96 - Step 6: Final answer
x = 9,809,496.87
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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.