Finding the Fourth Proportional to 18,373,713.43, 27,543,533.41 and 8,133,113.29
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Solution
The fourth proportional to 18,373,713.43, 27,543,533.41 and 8,133,113.29 is: 12,192,128.63
Step by Step Solution
- Step 1: Write the proportion equation
18,373,713.43 : 27,543,533.41 = 8,133,113.29 : x - Step 2: Convert to fraction form
18,373,713.43/27,543,533.41 = 8,133,113.29/x - Step 3: Cross multiply
18,373,713.43x = 27,543,533.41 × 8,133,113.29 - Step 4: Simplify right side
18,373,713.43x = 224,014,677,630,430.03 - Step 5: Solve for x
x = 224,014,677,630,430.03/18,373,713.43 - Step 6: Final answer
x = 12,192,128.63
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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.