Finding the Fourth Proportional to 7,544,431.05, 11,316,752.67 and 2,153,082.06
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Solution
The fourth proportional to 7,544,431.05, 11,316,752.67 and 2,153,082.06 is: 3,229,653.37
Step by Step Solution
- Step 1: Write the proportion equation
7,544,431.05 : 11,316,752.67 = 2,153,082.06 : x - Step 2: Convert to fraction form
7,544,431.05/11,316,752.67 = 2,153,082.06/x - Step 3: Cross multiply
7,544,431.05x = 11,316,752.67 × 2,153,082.06 - Step 4: Simplify right side
7,544,431.05x = 24,365,897,153,251.54 - Step 5: Solve for x
x = 24,365,897,153,251.54/7,544,431.05 - Step 6: Final answer
x = 3,229,653.37
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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.