Finding the Fourth Proportional to 14,790,182.72, 22,286,227.95 and 12,153,571.05
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Solution
The fourth proportional to 14,790,182.72, 22,286,227.95 and 12,153,571.05 is: 18,313,313.64
Step by Step Solution
- Step 1: Write the proportion equation
14,790,182.72 : 22,286,227.95 = 12,153,571.05 : x - Step 2: Convert to fraction form
14,790,182.72/22,286,227.95 = 12,153,571.05/x - Step 3: Cross multiply
14,790,182.72x = 22,286,227.95 × 12,153,571.05 - Step 4: Simplify right side
14,790,182.72x = 270,857,254,910,394.22 - Step 5: Solve for x
x = 270,857,254,910,394.22/14,790,182.72 - Step 6: Final answer
x = 18,313,313.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.