Finding the Fourth Proportional to 8,539,794.56, 11,783,752.62 and 5,101,305.68
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Solution
The fourth proportional to 8,539,794.56, 11,783,752.62 and 5,101,305.68 is: 7,039,106.59
Step by Step Solution
- Step 1: Write the proportion equation
8,539,794.56 : 11,783,752.62 = 5,101,305.68 : x - Step 2: Convert to fraction form
8,539,794.56/11,783,752.62 = 5,101,305.68/x - Step 3: Cross multiply
8,539,794.56x = 11,783,752.62 × 5,101,305.68 - Step 4: Simplify right side
8,539,794.56x = 60,112,524,172,120.88 - Step 5: Solve for x
x = 60,112,524,172,120.88/8,539,794.56 - Step 6: Final answer
x = 7,039,106.59
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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.