Finding the Fourth Proportional to 13,861,078.92, 19,120,609.44 and 8,059,219.29
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Solution
The fourth proportional to 13,861,078.92, 19,120,609.44 and 8,059,219.29 is: 11,117,257.56
Step by Step Solution
- Step 1: Write the proportion equation
13,861,078.92 : 19,120,609.44 = 8,059,219.29 : x - Step 2: Convert to fraction form
13,861,078.92/19,120,609.44 = 8,059,219.29/x - Step 3: Cross multiply
13,861,078.92x = 19,120,609.44 × 8,059,219.29 - Step 4: Simplify right side
13,861,078.92x = 154,097,184,435,404.09 - Step 5: Solve for x
x = 154,097,184,435,404.09/13,861,078.92 - Step 6: Final answer
x = 11,117,257.56
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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.