Finding the Fourth Proportional to 8,217,995.33, 12,328,674.26 and 2,825,945.46
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Solution
The fourth proportional to 8,217,995.33, 12,328,674.26 and 2,825,945.46 is: 4,239,496.33
Step by Step Solution
- Step 1: Write the proportion equation
8,217,995.33 : 12,328,674.26 = 2,825,945.46 : x - Step 2: Convert to fraction form
8,217,995.33/12,328,674.26 = 2,825,945.46/x - Step 3: Cross multiply
8,217,995.33x = 12,328,674.26 × 2,825,945.46 - Step 4: Simplify right side
8,217,995.33x = 34,840,161,038,736.13 - Step 5: Solve for x
x = 34,840,161,038,736.13/8,217,995.33 - Step 6: Final answer
x = 4,239,496.33
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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.