Finding the Fourth Proportional to 27,530,584.80, 37,993,177.08 and 15,771,950.88
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Solution
The fourth proportional to 27,530,584.80, 37,993,177.08 and 15,771,950.88 is: 21,765,847.95
Step by Step Solution
- Step 1: Write the proportion equation
27,530,584.80 : 37,993,177.08 = 15,771,950.88 : x - Step 2: Convert to fraction form
27,530,584.80/37,993,177.08 = 15,771,950.88/x - Step 3: Cross multiply
27,530,584.80x = 37,993,177.08 × 15,771,950.88 - Step 4: Simplify right side
27,530,584.80x = 599,226,522,680,901.88 - Step 5: Solve for x
x = 599,226,522,680,901.88/27,530,584.80 - Step 6: Final answer
x = 21,765,847.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.