Finding the Fourth Proportional to 11,277,911, 15,563,321.88 and 6,121,161.80
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Solution
The fourth proportional to 11,277,911, 15,563,321.88 and 6,121,161.80 is: 8,447,097.28
Step by Step Solution
- Step 1: Write the proportion equation
11,277,911 : 15,563,321.88 = 6,121,161.80 : x - Step 2: Convert to fraction form
11,277,911/15,563,321.88 = 6,121,161.80/x - Step 3: Cross multiply
11,277,911x = 15,563,321.88 × 6,121,161.80 - Step 4: Simplify right side
11,277,911x = 95,265,611,372,960.19 - Step 5: Solve for x
x = 95,265,611,372,960.19/11,277,911 - Step 6: Final answer
x = 8,447,097.28
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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.