Finding the Fourth Proportional to 10,790,748.10, 16,186,122.15 and 8,271,324.10
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Solution
The fourth proportional to 10,790,748.10, 16,186,122.15 and 8,271,324.10 is: 12,406,986.15
Step by Step Solution
- Step 1: Write the proportion equation
10,790,748.10 : 16,186,122.15 = 8,271,324.10 : x - Step 2: Convert to fraction form
10,790,748.10/16,186,122.15 = 8,271,324.10/x - Step 3: Cross multiply
10,790,748.10x = 16,186,122.15 × 8,271,324.10 - Step 4: Simplify right side
10,790,748.10x = 133,880,662,224,838.81 - Step 5: Solve for x
x = 133,880,662,224,838.81/10,790,748.10 - Step 6: Final answer
x = 12,406,986.15
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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.