Finding the Fourth Proportional to 10,193,382.79, 15,295,405.01 and 4,128,755.24
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Solution
The fourth proportional to 10,193,382.79, 15,295,405.01 and 4,128,755.24 is: 6,195,292.07
Step by Step Solution
- Step 1: Write the proportion equation
10,193,382.79 : 15,295,405.01 = 4,128,755.24 : x - Step 2: Convert to fraction form
10,193,382.79/15,295,405.01 = 4,128,755.24/x - Step 3: Cross multiply
10,193,382.79x = 15,295,405.01 × 4,128,755.24 - Step 4: Simplify right side
10,193,382.79x = 63,150,983,600,554.49 - Step 5: Solve for x
x = 63,150,983,600,554.49/10,193,382.79 - Step 6: Final answer
x = 6,195,292.07
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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.