Finding the Fourth Proportional to 11,473,568.62, 15,833,619.86 and 6,246,612.50
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Solution
The fourth proportional to 11,473,568.62, 15,833,619.86 and 6,246,612.50 is: 8,620,377.05
Step by Step Solution
- Step 1: Write the proportion equation
11,473,568.62 : 15,833,619.86 = 6,246,612.50 : x - Step 2: Convert to fraction form
11,473,568.62/15,833,619.86 = 6,246,612.50/x - Step 3: Cross multiply
11,473,568.62x = 15,833,619.86 × 6,246,612.50 - Step 4: Simplify right side
11,473,568.62x = 98,906,487,627,323.09 - Step 5: Solve for x
x = 98,906,487,627,323.09/11,473,568.62 - Step 6: Final answer
x = 8,620,377.05
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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.