Finding the Fourth Proportional to 10,367,381.76, 14,306,992.98 and 5,783,703.12
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Solution
The fourth proportional to 10,367,381.76, 14,306,992.98 and 5,783,703.12 is: 7,981,513.74
Step by Step Solution
- Step 1: Write the proportion equation
10,367,381.76 : 14,306,992.98 = 5,783,703.12 : x - Step 2: Convert to fraction form
10,367,381.76/14,306,992.98 = 5,783,703.12/x - Step 3: Cross multiply
10,367,381.76x = 14,306,992.98 × 5,783,703.12 - Step 4: Simplify right side
10,367,381.76x = 82,747,399,936,244.11 - Step 5: Solve for x
x = 82,747,399,936,244.11/10,367,381.76 - Step 6: Final answer
x = 7,981,513.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.