Finding the Fourth Proportional to 8,119,619.04, 11,205,074.02 and 4,448,674.84
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Solution
The fourth proportional to 8,119,619.04, 11,205,074.02 and 4,448,674.84 is: 6,139,171.14
Step by Step Solution
- Step 1: Write the proportion equation
8,119,619.04 : 11,205,074.02 = 4,448,674.84 : x - Step 2: Convert to fraction form
8,119,619.04/11,205,074.02 = 4,448,674.84/x - Step 3: Cross multiply
8,119,619.04x = 11,205,074.02 × 4,448,674.84 - Step 4: Simplify right side
8,119,619.04x = 49,847,730,873,111.66 - Step 5: Solve for x
x = 49,847,730,873,111.66/8,119,619.04 - Step 6: Final answer
x = 6,139,171.14
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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.