Finding the Fourth Proportional to 10,244,586.80, 15,366,880.20 and 9,656,721.20
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Solution
The fourth proportional to 10,244,586.80, 15,366,880.20 and 9,656,721.20 is: 14,485,081.80
Step by Step Solution
- Step 1: Write the proportion equation
10,244,586.80 : 15,366,880.20 = 9,656,721.20 : x - Step 2: Convert to fraction form
10,244,586.80/15,366,880.20 = 9,656,721.20/x - Step 3: Cross multiply
10,244,586.80x = 15,366,880.20 × 9,656,721.20 - Step 4: Simplify right side
10,244,586.80x = 148,393,677,805,200.22 - Step 5: Solve for x
x = 148,393,677,805,200.22/10,244,586.80 - Step 6: Final answer
x = 14,485,081.80
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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.