Finding the Fourth Proportional to 10,951,674.71, 15,117,964.79 and 6,823,745.36
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Solution
The fourth proportional to 10,951,674.71, 15,117,964.79 and 6,823,745.36 is: 9,419,668.20
Step by Step Solution
- Step 1: Write the proportion equation
10,951,674.71 : 15,117,964.79 = 6,823,745.36 : x - Step 2: Convert to fraction form
10,951,674.71/15,117,964.79 = 6,823,745.36/x - Step 3: Cross multiply
10,951,674.71x = 15,117,964.79 × 6,823,745.36 - Step 4: Simplify right side
10,951,674.71x = 103,161,142,029,875.42 - Step 5: Solve for x
x = 103,161,142,029,875.42/10,951,674.71 - Step 6: Final answer
x = 9,419,668.20
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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.