Finding the Fourth Proportional to 11,818,691.49, 16,310,043.82 and 6,662,051.67
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Solution
The fourth proportional to 11,818,691.49, 16,310,043.82 and 6,662,051.67 is: 9,193,771.98
Step by Step Solution
- Step 1: Write the proportion equation
11,818,691.49 : 16,310,043.82 = 6,662,051.67 : x - Step 2: Convert to fraction form
11,818,691.49/16,310,043.82 = 6,662,051.67/x - Step 3: Cross multiply
11,818,691.49x = 16,310,043.82 × 6,662,051.67 - Step 4: Simplify right side
11,818,691.49x = 108,658,354,609,076.38 - Step 5: Solve for x
x = 108,658,354,609,076.38/11,818,691.49 - Step 6: Final answer
x = 9,193,771.98
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1.5x scale
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.