Finding the Fourth Proportional to 8,013,751.20, 11,991,893.27 and 6,937,964.08
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Solution
The fourth proportional to 8,013,751.20, 11,991,893.27 and 6,937,964.08 is: 10,382,069.85
Step by Step Solution
- Step 1: Write the proportion equation
8,013,751.20 : 11,991,893.27 = 6,937,964.08 : x - Step 2: Convert to fraction form
8,013,751.20/11,991,893.27 = 6,937,964.08/x - Step 3: Cross multiply
8,013,751.20x = 11,991,893.27 × 6,937,964.08 - Step 4: Simplify right side
8,013,751.20x = 83,199,324,693,784.19 - Step 5: Solve for x
x = 83,199,324,693,784.19/8,013,751.20 - Step 6: Final answer
x = 10,382,069.85
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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.