Finding the Fourth Proportional to 7,683,614.72, 11,527,414.68 and 4,086,423.80
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Solution
The fourth proportional to 7,683,614.72, 11,527,414.68 and 4,086,423.80 is: 6,130,695.44
Step by Step Solution
- Step 1: Write the proportion equation
7,683,614.72 : 11,527,414.68 = 4,086,423.80 : x - Step 2: Convert to fraction form
7,683,614.72/11,527,414.68 = 4,086,423.80/x - Step 3: Cross multiply
7,683,614.72x = 11,527,414.68 × 4,086,423.80 - Step 4: Simplify right side
7,683,614.72x = 47,105,901,700,821.38 - Step 5: Solve for x
x = 47,105,901,700,821.38/7,683,614.72 - Step 6: Final answer
x = 6,130,695.44
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1.5x scale
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.