Finding the Fourth Proportional to 7,368,350.12, 11,052,007.06 and 2,756,456.48
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Solution
The fourth proportional to 7,368,350.12, 11,052,007.06 and 2,756,456.48 is: 4,134,490.89
Step by Step Solution
- Step 1: Write the proportion equation
7,368,350.12 : 11,052,007.06 = 2,756,456.48 : x - Step 2: Convert to fraction form
7,368,350.12/11,052,007.06 = 2,756,456.48/x - Step 3: Cross multiply
7,368,350.12x = 11,052,007.06 × 2,756,456.48 - Step 4: Simplify right side
7,368,350.12x = 30,464,376,477,542.75 - Step 5: Solve for x
x = 30,464,376,477,542.75/7,368,350.12 - Step 6: Final answer
x = 4,134,490.89
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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.