Finding the Fourth Proportional to 11,081,207.60, 16,612,480.20 and 5,762,423.60
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Solution
The fourth proportional to 11,081,207.60, 16,612,480.20 and 5,762,423.60 is: 8,638,783.01
Step by Step Solution
- Step 1: Write the proportion equation
11,081,207.60 : 16,612,480.20 = 5,762,423.60 : x - Step 2: Convert to fraction form
11,081,207.60/16,612,480.20 = 5,762,423.60/x - Step 3: Cross multiply
11,081,207.60x = 16,612,480.20 × 5,762,423.60 - Step 4: Simplify right side
11,081,207.60x = 95,728,147,959,012.70 - Step 5: Solve for x
x = 95,728,147,959,012.70/11,081,207.60 - Step 6: Final answer
x = 8,638,783.01
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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.