Finding the Fourth Proportional to 18,541,777.60, 27,815,431.20 and 6,573,572.80
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Solution
The fourth proportional to 18,541,777.60, 27,815,431.20 and 6,573,572.80 is: 9,861,339.40
Step by Step Solution
- Step 1: Write the proportion equation
18,541,777.60 : 27,815,431.20 = 6,573,572.80 : x - Step 2: Convert to fraction form
18,541,777.60/27,815,431.20 = 6,573,572.80/x - Step 3: Cross multiply
18,541,777.60x = 27,815,431.20 × 6,573,572.80 - Step 4: Simplify right side
18,541,777.60x = 182,846,761,956,591.34 - Step 5: Solve for x
x = 182,846,761,956,591.34/18,541,777.60 - Step 6: Final answer
x = 9,861,339.40
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1.5x scale
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.