Finding the Fourth Proportional to 11,305,509.54, 15,601,800.69 and 6,148,906.08
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Solution
The fourth proportional to 11,305,509.54, 15,601,800.69 and 6,148,906.08 is: 8,485,597.82
Step by Step Solution
- Step 1: Write the proportion equation
11,305,509.54 : 15,601,800.69 = 6,148,906.08 : x - Step 2: Convert to fraction form
11,305,509.54/15,601,800.69 = 6,148,906.08/x - Step 3: Cross multiply
11,305,509.54x = 15,601,800.69 × 6,148,906.08 - Step 4: Simplify right side
11,305,509.54x = 95,934,007,121,689.19 - Step 5: Solve for x
x = 95,934,007,121,689.19/11,305,509.54 - Step 6: Final answer
x = 8,485,597.82
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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.