Finding the Fourth Proportional to 11,277,958.56, 15,563,612.84 and 6,121,320.14
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Solution
The fourth proportional to 11,277,958.56, 15,563,612.84 and 6,121,320.14 is: 8,447,438.08
Step by Step Solution
- Step 1: Write the proportion equation
11,277,958.56 : 15,563,612.84 = 6,121,320.14 : x - Step 2: Convert to fraction form
11,277,958.56/15,563,612.84 = 6,121,320.14/x - Step 3: Cross multiply
11,277,958.56x = 15,563,612.84 × 6,121,320.14 - Step 4: Simplify right side
11,277,958.56x = 95,269,856,620,229.94 - Step 5: Solve for x
x = 95,269,856,620,229.94/11,277,958.56 - Step 6: Final answer
x = 8,447,438.08
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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.