Finding the Fourth Proportional to 19,566,861.08, 27,004,759.41 and 11,831,958.75
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Solution
The fourth proportional to 19,566,861.08, 27,004,759.41 and 11,831,958.75 is: 16,329,609.44
Step by Step Solution
- Step 1: Write the proportion equation
19,566,861.08 : 27,004,759.41 = 11,831,958.75 : x - Step 2: Convert to fraction form
19,566,861.08/27,004,759.41 = 11,831,958.75/x - Step 3: Cross multiply
19,566,861.08x = 27,004,759.41 × 11,831,958.75 - Step 4: Simplify right side
19,566,861.08x = 319,519,199,392,794.31 - Step 5: Solve for x
x = 319,519,199,392,794.31/19,566,861.08 - Step 6: Final answer
x = 16,329,609.44
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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.