Finding the Fourth Proportional to 11,493,318.62, 17,239,479.08 and 2,857,238.35
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Solution
The fourth proportional to 11,493,318.62, 17,239,479.08 and 2,857,238.35 is: 4,285,733.50
Step by Step Solution
- Step 1: Write the proportion equation
11,493,318.62 : 17,239,479.08 = 2,857,238.35 : x - Step 2: Convert to fraction form
11,493,318.62/17,239,479.08 = 2,857,238.35/x - Step 3: Cross multiply
11,493,318.62x = 17,239,479.08 × 2,857,238.35 - Step 4: Simplify right side
11,493,318.62x = 49,257,300,704,013.83 - Step 5: Solve for x
x = 49,257,300,704,013.83/11,493,318.62 - Step 6: Final answer
x = 4,285,733.50
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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.