Finding the Fourth Proportional to 9,578,077.20, 14,367,115.80 and 2,846,491.20
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Solution
The fourth proportional to 9,578,077.20, 14,367,115.80 and 2,846,491.20 is: 4,269,736.80
Step by Step Solution
- Step 1: Write the proportion equation
9,578,077.20 : 14,367,115.80 = 2,846,491.20 : x - Step 2: Convert to fraction form
9,578,077.20/14,367,115.80 = 2,846,491.20/x - Step 3: Cross multiply
9,578,077.20x = 14,367,115.80 × 2,846,491.20 - Step 4: Simplify right side
9,578,077.20x = 40,895,868,694,080.96 - Step 5: Solve for x
x = 40,895,868,694,080.96/9,578,077.20 - Step 6: Final answer
x = 4,269,736.80
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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.