Finding the Fourth Proportional to 18,541,776.60, 27,815,429.70 and 6,573,571.80
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Solution
The fourth proportional to 18,541,776.60, 27,815,429.70 and 6,573,571.80 is: 9,861,337.90
Step by Step Solution
- Step 1: Write the proportion equation
18,541,776.60 : 27,815,429.70 = 6,573,571.80 : x - Step 2: Convert to fraction form
18,541,776.60/27,815,429.70 = 6,573,571.80/x - Step 3: Cross multiply
18,541,776.60x = 27,815,429.70 × 6,573,571.80 - Step 4: Simplify right side
18,541,776.60x = 182,846,724,280,802.44 - Step 5: Solve for x
x = 182,846,724,280,802.44/18,541,776.60 - Step 6: Final answer
x = 9,861,337.90
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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.