Finding the Fourth Proportional to 11,188,537.70, 16,781,143.71 and 3,100,670.08
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Solution
The fourth proportional to 11,188,537.70, 16,781,143.71 and 3,100,670.08 is: 4,650,544.30
Step by Step Solution
- Step 1: Write the proportion equation
11,188,537.70 : 16,781,143.71 = 3,100,670.08 : x - Step 2: Convert to fraction form
11,188,537.70/16,781,143.71 = 3,100,670.08/x - Step 3: Cross multiply
11,188,537.70x = 16,781,143.71 × 3,100,670.08 - Step 4: Simplify right side
11,188,537.70x = 52,032,790,179,451.86 - Step 5: Solve for x
x = 52,032,790,179,451.86/11,188,537.70 - Step 6: Final answer
x = 4,650,544.30
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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.