Finding the Fourth Proportional to 7,174,814.36, 9,901,274.81 and 4,597,989.81
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Solution
The fourth proportional to 7,174,814.36, 9,901,274.81 and 4,597,989.81 is: 6,345,245.80
Step by Step Solution
- Step 1: Write the proportion equation
7,174,814.36 : 9,901,274.81 = 4,597,989.81 : x - Step 2: Convert to fraction form
7,174,814.36/9,901,274.81 = 4,597,989.81/x - Step 3: Cross multiply
7,174,814.36x = 9,901,274.81 × 4,597,989.81 - Step 4: Simplify right side
7,174,814.36x = 45,525,960,648,132.73 - Step 5: Solve for x
x = 45,525,960,648,132.73/7,174,814.36 - Step 6: Final answer
x = 6,345,245.80
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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.