Finding the Fourth Proportional to 32,218,041.60, 44,461,929.60 and 18,469,612.80
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Solution
The fourth proportional to 32,218,041.60, 44,461,929.60 and 18,469,612.80 is: 25,488,657.39
Step by Step Solution
- Step 1: Write the proportion equation
32,218,041.60 : 44,461,929.60 = 18,469,612.80 : x - Step 2: Convert to fraction form
32,218,041.60/44,461,929.60 = 18,469,612.80/x - Step 3: Cross multiply
32,218,041.60x = 44,461,929.60 × 18,469,612.80 - Step 4: Simplify right side
32,218,041.60x = 821,194,624,052,859 - Step 5: Solve for x
x = 821,194,624,052,859/32,218,041.60 - Step 6: Final answer
x = 25,488,657.39
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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.