Finding the Fourth Proportional to 18,276,336.70, 27,414,293.70 and 4,443,373.80
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Solution
The fourth proportional to 18,276,336.70, 27,414,293.70 and 4,443,373.80 is: 6,665,009.32
Step by Step Solution
- Step 1: Write the proportion equation
18,276,336.70 : 27,414,293.70 = 4,443,373.80 : x - Step 2: Convert to fraction form
18,276,336.70/27,414,293.70 = 4,443,373.80/x - Step 3: Cross multiply
18,276,336.70x = 27,414,293.70 × 4,443,373.80 - Step 4: Simplify right side
18,276,336.70x = 121,811,954,388,747.70 - Step 5: Solve for x
x = 121,811,954,388,747.70/18,276,336.70 - Step 6: Final answer
x = 6,665,009.32
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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.