Finding the Fourth Proportional to 10,982,244.20, 16,476,476.70 and 3,409,975.40
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Solution
The fourth proportional to 10,982,244.20, 16,476,476.70 and 3,409,975.40 is: 5,115,928.88
Step by Step Solution
- Step 1: Write the proportion equation
10,982,244.20 : 16,476,476.70 = 3,409,975.40 : x - Step 2: Convert to fraction form
10,982,244.20/16,476,476.70 = 3,409,975.40/x - Step 3: Cross multiply
10,982,244.20x = 16,476,476.70 × 3,409,975.40 - Step 4: Simplify right side
10,982,244.20x = 56,184,380,225,673.18 - Step 5: Solve for x
x = 56,184,380,225,673.18/10,982,244.20 - Step 6: Final answer
x = 5,115,928.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.