Finding the Fourth Proportional to 10,126,306.13, 13,974,433.67 and 5,542,529.09
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Solution
The fourth proportional to 10,126,306.13, 13,974,433.67 and 5,542,529.09 is: 7,648,761.96
Step by Step Solution
- Step 1: Write the proportion equation
10,126,306.13 : 13,974,433.67 = 5,542,529.09 : x - Step 2: Convert to fraction form
10,126,306.13/13,974,433.67 = 5,542,529.09/x - Step 3: Cross multiply
10,126,306.13x = 13,974,433.67 × 5,542,529.09 - Step 4: Simplify right side
10,126,306.13x = 77,453,705,076,234.61 - Step 5: Solve for x
x = 77,453,705,076,234.61/10,126,306.13 - Step 6: Final answer
x = 7,648,761.96
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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.