Finding the Fourth Proportional to 7,531,183.44, 10,398,038.13 and 5,785,744.21
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Solution
The fourth proportional to 7,531,183.44, 10,398,038.13 and 5,785,744.21 is: 7,988,172.03
Step by Step Solution
- Step 1: Write the proportion equation
7,531,183.44 : 10,398,038.13 = 5,785,744.21 : x - Step 2: Convert to fraction form
7,531,183.44/10,398,038.13 = 5,785,744.21/x - Step 3: Cross multiply
7,531,183.44x = 10,398,038.13 × 5,785,744.21 - Step 4: Simplify right side
7,531,183.44x = 60,160,388,854,016.54 - Step 5: Solve for x
x = 60,160,388,854,016.54/7,531,183.44 - Step 6: Final answer
x = 7,988,172.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.