Finding the Fourth Proportional to 8,210,113.29, 11,331,754.92 and 4,774,336.29
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Solution
The fourth proportional to 8,210,113.29, 11,331,754.92 and 4,774,336.29 is: 6,589,629.99
Step by Step Solution
- Step 1: Write the proportion equation
8,210,113.29 : 11,331,754.92 = 4,774,336.29 : x - Step 2: Convert to fraction form
8,210,113.29/11,331,754.92 = 4,774,336.29/x - Step 3: Cross multiply
8,210,113.29x = 11,331,754.92 × 4,774,336.29 - Step 4: Simplify right side
8,210,113.29x = 54,101,608,743,942.05 - Step 5: Solve for x
x = 54,101,608,743,942.05/8,210,113.29 - Step 6: Final answer
x = 6,589,629.99
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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.