Finding the Fourth Proportional to 14,410,874.63, 19,885,042.91 and 8,608,424.65
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Solution
The fourth proportional to 14,410,874.63, 19,885,042.91 and 8,608,424.65 is: 11,878,452.75
Step by Step Solution
- Step 1: Write the proportion equation
14,410,874.63 : 19,885,042.91 = 8,608,424.65 : x - Step 2: Convert to fraction form
14,410,874.63/19,885,042.91 = 8,608,424.65/x - Step 3: Cross multiply
14,410,874.63x = 19,885,042.91 × 8,608,424.65 - Step 4: Simplify right side
14,410,874.63x = 171,178,893,476,137.81 - Step 5: Solve for x
x = 171,178,893,476,137.81/14,410,874.63 - Step 6: Final answer
x = 11,878,452.75
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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.