Finding the Fourth Proportional to 6,738,410.80, 10,107,616.20 and 6,561,263.80
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Solution
The fourth proportional to 6,738,410.80, 10,107,616.20 and 6,561,263.80 is: 9,841,895.70
Step by Step Solution
- Step 1: Write the proportion equation
6,738,410.80 : 10,107,616.20 = 6,561,263.80 : x - Step 2: Convert to fraction form
6,738,410.80/10,107,616.20 = 6,561,263.80/x - Step 3: Cross multiply
6,738,410.80x = 10,107,616.20 × 6,561,263.80 - Step 4: Simplify right side
6,738,410.80x = 66,318,736,277,353.55 - Step 5: Solve for x
x = 66,318,736,277,353.55/6,738,410.80 - Step 6: Final answer
x = 9,841,895.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.