Finding the Fourth Proportional to 7,986,819.26, 11,980,228.13 and 1,921,550.99
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Solution
The fourth proportional to 7,986,819.26, 11,980,228.13 and 1,921,550.99 is: 2,882,326.30
Step by Step Solution
- Step 1: Write the proportion equation
7,986,819.26 : 11,980,228.13 = 1,921,550.99 : x - Step 2: Convert to fraction form
7,986,819.26/11,980,228.13 = 1,921,550.99/x - Step 3: Cross multiply
7,986,819.26x = 11,980,228.13 × 1,921,550.99 - Step 4: Simplify right side
7,986,819.26x = 23,020,619,172,133.00 - Step 5: Solve for x
x = 23,020,619,172,133.00/7,986,819.26 - Step 6: Final answer
x = 2,882,326.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.