Finding the Fourth Proportional to 8,691,305.67, 11,996,206.56 and 5,939,107.11
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Solution
The fourth proportional to 8,691,305.67, 11,996,206.56 and 5,939,107.11 is: 8,197,474.39
Step by Step Solution
- Step 1: Write the proportion equation
8,691,305.67 : 11,996,206.56 = 5,939,107.11 : x - Step 2: Convert to fraction form
8,691,305.67/11,996,206.56 = 5,939,107.11/x - Step 3: Cross multiply
8,691,305.67x = 11,996,206.56 × 5,939,107.11 - Step 4: Simplify right side
8,691,305.67x = 71,246,755,673,524.66 - Step 5: Solve for x
x = 71,246,755,673,524.66/8,691,305.67 - Step 6: Final answer
x = 8,197,474.39
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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.