Finding the Fourth Proportional to 10,305,175.44, 15,457,750.20 and 3,913,899.60
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Solution
The fourth proportional to 10,305,175.44, 15,457,750.20 and 3,913,899.60 is: 5,870,844.48
Step by Step Solution
- Step 1: Write the proportion equation
10,305,175.44 : 15,457,750.20 = 3,913,899.60 : x - Step 2: Convert to fraction form
10,305,175.44/15,457,750.20 = 3,913,899.60/x - Step 3: Cross multiply
10,305,175.44x = 15,457,750.20 × 3,913,899.60 - Step 4: Simplify right side
10,305,175.44x = 60,500,082,324,679.92 - Step 5: Solve for x
x = 60,500,082,324,679.92/10,305,175.44 - Step 6: Final answer
x = 5,870,844.48
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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.