Finding the Fourth Proportional to 16,409,687.28, 22,659,893.64 and 10,225,288.68
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Solution
The fourth proportional to 16,409,687.28, 22,659,893.64 and 10,225,288.68 is: 14,119,949.39
Step by Step Solution
- Step 1: Write the proportion equation
16,409,687.28 : 22,659,893.64 = 10,225,288.68 : x - Step 2: Convert to fraction form
16,409,687.28/22,659,893.64 = 10,225,288.68/x - Step 3: Cross multiply
16,409,687.28x = 22,659,893.64 × 10,225,288.68 - Step 4: Simplify right side
16,409,687.28x = 231,703,953,927,096 - Step 5: Solve for x
x = 231,703,953,927,096/16,409,687.28 - Step 6: Final answer
x = 14,119,949.39
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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.