Finding the Fourth Proportional to 11,396,626.38, 15,727,341.33 and 6,239,986.38
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Solution
The fourth proportional to 11,396,626.38, 15,727,341.33 and 6,239,986.38 is: 8,611,179.52
Step by Step Solution
- Step 1: Write the proportion equation
11,396,626.38 : 15,727,341.33 = 6,239,986.38 : x - Step 2: Convert to fraction form
11,396,626.38/15,727,341.33 = 6,239,986.38/x - Step 3: Cross multiply
11,396,626.38x = 15,727,341.33 × 6,239,986.38 - Step 4: Simplify right side
11,396,626.38x = 98,138,395,692,811.08 - Step 5: Solve for x
x = 98,138,395,692,811.08/11,396,626.38 - Step 6: Final answer
x = 8,611,179.52
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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.