Finding the Fourth Proportional to 11,275,956.12, 16,908,853.86 and 6,729,104.28
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Solution
The fourth proportional to 11,275,956.12, 16,908,853.86 and 6,729,104.28 is: 10,090,624.66
Step by Step Solution
- Step 1: Write the proportion equation
11,275,956.12 : 16,908,853.86 = 6,729,104.28 : x - Step 2: Convert to fraction form
11,275,956.12/16,908,853.86 = 6,729,104.28/x - Step 3: Cross multiply
11,275,956.12x = 16,908,853.86 × 6,729,104.28 - Step 4: Simplify right side
11,275,956.12x = 113,781,440,879,220.52 - Step 5: Solve for x
x = 113,781,440,879,220.52/11,275,956.12 - Step 6: Final answer
x = 10,090,624.66
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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.