Finding the Fourth Proportional to 10,965,096.27, 15,133,416.44 and 6,317,991.41
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Solution
The fourth proportional to 10,965,096.27, 15,133,416.44 and 6,317,991.41 is: 8,719,740.59
Step by Step Solution
- Step 1: Write the proportion equation
10,965,096.27 : 15,133,416.44 = 6,317,991.41 : x - Step 2: Convert to fraction form
10,965,096.27/15,133,416.44 = 6,317,991.41/x - Step 3: Cross multiply
10,965,096.27x = 15,133,416.44 × 6,317,991.41 - Step 4: Simplify right side
10,965,096.27x = 95,612,794,964,615.75 - Step 5: Solve for x
x = 95,612,794,964,615.75/10,965,096.27 - Step 6: Final answer
x = 8,719,740.59
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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.