Finding the Fourth Proportional to 37,728,265.80, 56,555,073.90 and 18,543,318.60
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Solution
The fourth proportional to 37,728,265.80, 56,555,073.90 and 18,543,318.60 is: 27,796,632.88
Step by Step Solution
- Step 1: Write the proportion equation
37,728,265.80 : 56,555,073.90 = 18,543,318.60 : x - Step 2: Convert to fraction form
37,728,265.80/56,555,073.90 = 18,543,318.60/x - Step 3: Cross multiply
37,728,265.80x = 56,555,073.90 × 18,543,318.60 - Step 4: Simplify right side
37,728,265.80x = 1,048,718,753,774,244.62 - Step 5: Solve for x
x = 1,048,718,753,774,244.62/37,728,265.80 - Step 6: Final answer
x = 27,796,632.88
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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.