Finding the Fourth Proportional to 11,240,477.73, 15,512,234.67 and 6,888,723.17
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Solution
The fourth proportional to 11,240,477.73, 15,512,234.67 and 6,888,723.17 is: 9,506,668.03
Step by Step Solution
- Step 1: Write the proportion equation
11,240,477.73 : 15,512,234.67 = 6,888,723.17 : x - Step 2: Convert to fraction form
11,240,477.73/15,512,234.67 = 6,888,723.17/x - Step 3: Cross multiply
11,240,477.73x = 15,512,234.67 × 6,888,723.17 - Step 4: Simplify right side
11,240,477.73x = 106,859,490,312,145.12 - Step 5: Solve for x
x = 106,859,490,312,145.12/11,240,477.73 - Step 6: Final answer
x = 9,506,668.03
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1.5x scale
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.