Finding the Fourth Proportional to 16,872,577.09, 23,286,049.99 and 9,530,883.14
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Solution
The fourth proportional to 16,872,577.09, 23,286,049.99 and 9,530,883.14 is: 13,153,688.38
Step by Step Solution
- Step 1: Write the proportion equation
16,872,577.09 : 23,286,049.99 = 9,530,883.14 : x - Step 2: Convert to fraction form
16,872,577.09/23,286,049.99 = 9,530,883.14/x - Step 3: Cross multiply
16,872,577.09x = 23,286,049.99 × 9,530,883.14 - Step 4: Simplify right side
16,872,577.09x = 221,936,621,106,630.72 - Step 5: Solve for x
x = 221,936,621,106,630.72/16,872,577.09 - Step 6: Final answer
x = 13,153,688.38
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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.