Finding the Fourth Proportional to 8,869,610.40, 13,279,532.40 and 8,620,778.40
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Solution
The fourth proportional to 8,869,610.40, 13,279,532.40 and 8,620,778.40 is: 12,906,982.48
Step by Step Solution
- Step 1: Write the proportion equation
8,869,610.40 : 13,279,532.40 = 8,620,778.40 : x - Step 2: Convert to fraction form
8,869,610.40/13,279,532.40 = 8,620,778.40/x - Step 3: Cross multiply
8,869,610.40x = 13,279,532.40 × 8,620,778.40 - Step 4: Simplify right side
8,869,610.40x = 114,479,906,076,020.17 - Step 5: Solve for x
x = 114,479,906,076,020.17/8,869,610.40 - Step 6: Final answer
x = 12,906,982.48
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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.