Finding the Fourth Proportional to 22,145,423.20, 33,218,134.80 and 16,764,583.09
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Solution
The fourth proportional to 22,145,423.20, 33,218,134.80 and 16,764,583.09 is: 25,146,874.64
Step by Step Solution
- Step 1: Write the proportion equation
22,145,423.20 : 33,218,134.80 = 16,764,583.09 : x - Step 2: Convert to fraction form
22,145,423.20/33,218,134.80 = 16,764,583.09/x - Step 3: Cross multiply
22,145,423.20x = 33,218,134.80 × 16,764,583.09 - Step 4: Simplify right side
22,145,423.20x = 556,888,180,949,420.56 - Step 5: Solve for x
x = 556,888,180,949,420.56/22,145,423.20 - Step 6: Final answer
x = 25,146,874.64
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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.