Finding the Fourth Proportional to 13,861,115.92, 19,120,660.50 and 8,059,256.38
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Solution
The fourth proportional to 13,861,115.92, 19,120,660.50 and 8,059,256.38 is: 11,117,308.74
Step by Step Solution
- Step 1: Write the proportion equation
13,861,115.92 : 19,120,660.50 = 8,059,256.38 : x - Step 2: Convert to fraction form
13,861,115.92/19,120,660.50 = 8,059,256.38/x - Step 3: Cross multiply
13,861,115.92x = 19,120,660.50 × 8,059,256.38 - Step 4: Simplify right side
13,861,115.92x = 154,098,305,124,439 - Step 5: Solve for x
x = 154,098,305,124,439/13,861,115.92 - Step 6: Final answer
x = 11,117,308.74
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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.