Finding the Fourth Proportional to 8,313,689.20, 12,470,533.80 and 8,201,714.80
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Solution
The fourth proportional to 8,313,689.20, 12,470,533.80 and 8,201,714.80 is: 12,302,572.20
Step by Step Solution
- Step 1: Write the proportion equation
8,313,689.20 : 12,470,533.80 = 8,201,714.80 : x - Step 2: Convert to fraction form
8,313,689.20/12,470,533.80 = 8,201,714.80/x - Step 3: Cross multiply
8,313,689.20x = 12,470,533.80 × 8,201,714.80 - Step 4: Simplify right side
8,313,689.20x = 102,279,761,631,360.25 - Step 5: Solve for x
x = 102,279,761,631,360.25/8,313,689.20 - Step 6: Final answer
x = 12,302,572.20
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1.5x scale
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.