Finding the Fourth Proportional to 8,428,868.08, 11,631,873.41 and 4,561,389.43
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Solution
The fourth proportional to 8,428,868.08, 11,631,873.41 and 4,561,389.43 is: 6,294,736.60
Step by Step Solution
- Step 1: Write the proportion equation
8,428,868.08 : 11,631,873.41 = 4,561,389.43 : x - Step 2: Convert to fraction form
8,428,868.08/11,631,873.41 = 4,561,389.43/x - Step 3: Cross multiply
8,428,868.08x = 11,631,873.41 × 4,561,389.43 - Step 4: Simplify right side
8,428,868.08x = 53,057,504,434,875.52 - Step 5: Solve for x
x = 53,057,504,434,875.52/8,428,868.08 - Step 6: Final answer
x = 6,294,736.60
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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.