Finding the Fourth Proportional to 7,951,310.91, 11,925,546.63 and 2,115,530.13
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Solution
The fourth proportional to 7,951,310.91, 11,925,546.63 and 2,115,530.13 is: 3,172,917.46
Step by Step Solution
- Step 1: Write the proportion equation
7,951,310.91 : 11,925,546.63 = 2,115,530.13 : x - Step 2: Convert to fraction form
7,951,310.91/11,925,546.63 = 2,115,530.13/x - Step 3: Cross multiply
7,951,310.91x = 11,925,546.63 × 2,115,530.13 - Step 4: Simplify right side
7,951,310.91x = 25,228,853,230,605.02 - Step 5: Solve for x
x = 25,228,853,230,605.02/7,951,310.91 - Step 6: Final answer
x = 3,172,917.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.