Finding the Fourth Proportional to 7,457,350.58, 10,289,958.09 and 4,193,535.02
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Solution
The fourth proportional to 7,457,350.58, 10,289,958.09 and 4,193,535.02 is: 5,786,411.56
Step by Step Solution
- Step 1: Write the proportion equation
7,457,350.58 : 10,289,958.09 = 4,193,535.02 : x - Step 2: Convert to fraction form
7,457,350.58/10,289,958.09 = 4,193,535.02/x - Step 3: Cross multiply
7,457,350.58x = 10,289,958.09 × 4,193,535.02 - Step 4: Simplify right side
7,457,350.58x = 43,151,299,604,747.31 - Step 5: Solve for x
x = 43,151,299,604,747.31/7,457,350.58 - Step 6: Final answer
x = 5,786,411.56
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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.