Finding the Fourth Proportional to 18,299,991.46, 27,450,184.32 and 5,520,606.88
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Solution
The fourth proportional to 18,299,991.46, 27,450,184.32 and 5,520,606.88 is: 8,280,969.79
Step by Step Solution
- Step 1: Write the proportion equation
18,299,991.46 : 27,450,184.32 = 5,520,606.88 : x - Step 2: Convert to fraction form
18,299,991.46/27,450,184.32 = 5,520,606.88/x - Step 3: Cross multiply
18,299,991.46x = 27,450,184.32 × 5,520,606.88 - Step 4: Simplify right side
18,299,991.46x = 151,541,676,414,260.12 - Step 5: Solve for x
x = 151,541,676,414,260.12/18,299,991.46 - Step 6: Final answer
x = 8,280,969.79
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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.