Finding the Fourth Proportional to 10,178,563.10, 15,267,834.92 and 2,605,516.70
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Solution
The fourth proportional to 10,178,563.10, 15,267,834.92 and 2,605,516.70 is: 3,908,272.55
Step by Step Solution
- Step 1: Write the proportion equation
10,178,563.10 : 15,267,834.92 = 2,605,516.70 : x - Step 2: Convert to fraction form
10,178,563.10/15,267,834.92 = 2,605,516.70/x - Step 3: Cross multiply
10,178,563.10x = 15,267,834.92 × 2,605,516.70 - Step 4: Simplify right side
10,178,563.10x = 39,780,598,787,077.77 - Step 5: Solve for x
x = 39,780,598,787,077.77/10,178,563.10 - Step 6: Final answer
x = 3,908,272.55
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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.