Finding the Fourth Proportional to 56,747,439.36, 85,133,128.64 and 18,405,975.68
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Solution
The fourth proportional to 56,747,439.36, 85,133,128.64 and 18,405,975.68 is: 27,612,845.85
Step by Step Solution
- Step 1: Write the proportion equation
56,747,439.36 : 85,133,128.64 = 18,405,975.68 : x - Step 2: Convert to fraction form
56,747,439.36/85,133,128.64 = 18,405,975.68/x - Step 3: Cross multiply
56,747,439.36x = 85,133,128.64 × 18,405,975.68 - Step 4: Simplify right side
56,747,439.36x = 1,566,958,295,310,151.50 - Step 5: Solve for x
x = 1,566,958,295,310,151.50/56,747,439.36 - Step 6: Final answer
x = 27,612,845.85
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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.