Finding the Fourth Proportional to 8,341,720.20, 12,512,580.30 and 6,550,129.80
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Solution
The fourth proportional to 8,341,720.20, 12,512,580.30 and 6,550,129.80 is: 9,825,194.70
Step by Step Solution
- Step 1: Write the proportion equation
8,341,720.20 : 12,512,580.30 = 6,550,129.80 : x - Step 2: Convert to fraction form
8,341,720.20/12,512,580.30 = 6,550,129.80/x - Step 3: Cross multiply
8,341,720.20x = 12,512,580.30 × 6,550,129.80 - Step 4: Simplify right side
8,341,720.20x = 81,959,025,097,922.94 - Step 5: Solve for x
x = 81,959,025,097,922.94/8,341,720.20 - Step 6: Final answer
x = 9,825,194.70
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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.