Finding the Fourth Proportional to 12,202,817.12, 16,847,776.08 and 7,561,527.20
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Solution
The fourth proportional to 12,202,817.12, 16,847,776.08 and 7,561,527.20 is: 10,439,795.65
Step by Step Solution
- Step 1: Write the proportion equation
12,202,817.12 : 16,847,776.08 = 7,561,527.20 : x - Step 2: Convert to fraction form
12,202,817.12/16,847,776.08 = 7,561,527.20/x - Step 3: Cross multiply
12,202,817.12x = 16,847,776.08 × 7,561,527.20 - Step 4: Simplify right side
12,202,817.12x = 127,394,917,088,429.36 - Step 5: Solve for x
x = 127,394,917,088,429.36/12,202,817.12 - Step 6: Final answer
x = 10,439,795.65
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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.