Finding the Fourth Proportional to 10,324,516.40, 15,472,823.84 and 3,931,281.17
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Solution
The fourth proportional to 10,324,516.40, 15,472,823.84 and 3,931,281.17 is: 5,891,609.70
Step by Step Solution
- Step 1: Write the proportion equation
10,324,516.40 : 15,472,823.84 = 3,931,281.17 : x - Step 2: Convert to fraction form
10,324,516.40/15,472,823.84 = 3,931,281.17/x - Step 3: Cross multiply
10,324,516.40x = 15,472,823.84 × 3,931,281.17 - Step 4: Simplify right side
10,324,516.40x = 60,828,020,995,722.66 - Step 5: Solve for x
x = 60,828,020,995,722.66/10,324,516.40 - Step 6: Final answer
x = 5,891,609.70
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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.