Finding the Fourth Proportional to 11,277,749.88, 15,563,311.94 and 6,121,113.32
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Solution
The fourth proportional to 11,277,749.88, 15,563,311.94 and 6,121,113.32 is: 8,447,145.67
Step by Step Solution
- Step 1: Write the proportion equation
11,277,749.88 : 15,563,311.94 = 6,121,113.32 : x - Step 2: Convert to fraction form
11,277,749.88/15,563,311.94 = 6,121,113.32/x - Step 3: Cross multiply
11,277,749.88x = 15,563,311.94 × 6,121,113.32 - Step 4: Simplify right side
11,277,749.88x = 95,264,796,019,249.05 - Step 5: Solve for x
x = 95,264,796,019,249.05/11,277,749.88 - Step 6: Final answer
x = 8,447,145.67
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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.