Finding the Fourth Proportional to 18,373,984.66, 27,580,129.81 and 8,146,027.24
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Solution
The fourth proportional to 18,373,984.66, 27,580,129.81 and 8,146,027.24 is: 12,227,532.18
Step by Step Solution
- Step 1: Write the proportion equation
18,373,984.66 : 27,580,129.81 = 8,146,027.24 : x - Step 2: Convert to fraction form
18,373,984.66/27,580,129.81 = 8,146,027.24/x - Step 3: Cross multiply
18,373,984.66x = 27,580,129.81 × 8,146,027.24 - Step 4: Simplify right side
18,373,984.66x = 224,668,488,556,730.31 - Step 5: Solve for x
x = 224,668,488,556,730.31/18,373,984.66 - Step 6: Final answer
x = 12,227,532.18
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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.