Finding the Fourth Proportional to 14,469,170.81, 19,966,939.02 and 8,189,563.35
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Solution
The fourth proportional to 14,469,170.81, 19,966,939.02 and 8,189,563.35 is: 11,301,304.98
Step by Step Solution
- Step 1: Write the proportion equation
14,469,170.81 : 19,966,939.02 = 8,189,563.35 : x - Step 2: Convert to fraction form
14,469,170.81/19,966,939.02 = 8,189,563.35/x - Step 3: Cross multiply
14,469,170.81x = 19,966,939.02 × 8,189,563.35 - Step 4: Simplify right side
14,469,170.81x = 163,520,512,084,752.94 - Step 5: Solve for x
x = 163,520,512,084,752.94/14,469,170.81 - Step 6: Final answer
x = 11,301,304.98
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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.