Finding the Fourth Proportional to 8,412,805.62, 12,621,332.16 and 2,347,532.28
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Solution
The fourth proportional to 8,412,805.62, 12,621,332.16 and 2,347,532.28 is: 3,521,891.03
Step by Step Solution
- Step 1: Write the proportion equation
8,412,805.62 : 12,621,332.16 = 2,347,532.28 : x - Step 2: Convert to fraction form
8,412,805.62/12,621,332.16 = 2,347,532.28/x - Step 3: Cross multiply
8,412,805.62x = 12,621,332.16 × 2,347,532.28 - Step 4: Simplify right side
8,412,805.62x = 29,628,984,662,202.12 - Step 5: Solve for x
x = 29,628,984,662,202.12/8,412,805.62 - Step 6: Final answer
x = 3,521,891.03
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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.