Finding the Fourth Proportional to 11,555,290.14, 15,946,104.11 and 6,398,540.97
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Solution
The fourth proportional to 11,555,290.14, 15,946,104.11 and 6,398,540.97 is: 8,829,877.85
Step by Step Solution
- Step 1: Write the proportion equation
11,555,290.14 : 15,946,104.11 = 6,398,540.97 : x - Step 2: Convert to fraction form
11,555,290.14/15,946,104.11 = 6,398,540.97/x - Step 3: Cross multiply
11,555,290.14x = 15,946,104.11 × 6,398,540.97 - Step 4: Simplify right side
11,555,290.14x = 102,031,800,459,720.38 - Step 5: Solve for x
x = 102,031,800,459,720.38/11,555,290.14 - Step 6: Final answer
x = 8,829,877.85
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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.