Finding the Fourth Proportional to 11,812,738.07, 16,305,181.50 and 6,852,432.93
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Solution
The fourth proportional to 11,812,738.07, 16,305,181.50 and 6,852,432.93 is: 9,458,447.48
Step by Step Solution
- Step 1: Write the proportion equation
11,812,738.07 : 16,305,181.50 = 6,852,432.93 : x - Step 2: Convert to fraction form
11,812,738.07/16,305,181.50 = 6,852,432.93/x - Step 3: Cross multiply
11,812,738.07x = 16,305,181.50 × 6,852,432.93 - Step 4: Simplify right side
11,812,738.07x = 111,730,162,640,226.80 - Step 5: Solve for x
x = 111,730,162,640,226.80/11,812,738.07 - Step 6: Final answer
x = 9,458,447.48
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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.