Finding the Fourth Proportional to 18,470,708.62, 25,489,612.47 and 10,321,946.62
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Solution
The fourth proportional to 18,470,708.62, 25,489,612.47 and 10,321,946.62 is: 14,244,305.66
Step by Step Solution
- Step 1: Write the proportion equation
18,470,708.62 : 25,489,612.47 = 10,321,946.62 : x - Step 2: Convert to fraction form
18,470,708.62/25,489,612.47 = 10,321,946.62/x - Step 3: Cross multiply
18,470,708.62x = 25,489,612.47 × 10,321,946.62 - Step 4: Simplify right side
18,470,708.62x = 263,102,419,279,826.31 - Step 5: Solve for x
x = 263,102,419,279,826.31/18,470,708.62 - Step 6: Final answer
x = 14,244,305.66
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1.5x scale
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.