Finding the Fourth Proportional to 9,052,894.95, 12,493,322.94 and 5,186,163.48
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Solution
The fourth proportional to 9,052,894.95, 12,493,322.94 and 5,186,163.48 is: 7,157,093.45
Step by Step Solution
- Step 1: Write the proportion equation
9,052,894.95 : 12,493,322.94 = 5,186,163.48 : x - Step 2: Convert to fraction form
9,052,894.95/12,493,322.94 = 5,186,163.48/x - Step 3: Cross multiply
9,052,894.95x = 12,493,322.94 × 5,186,163.48 - Step 4: Simplify right side
9,052,894.95x = 64,792,415,175,274.23 - Step 5: Solve for x
x = 64,792,415,175,274.23/9,052,894.95 - Step 6: Final answer
x = 7,157,093.45
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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.