Finding the Fourth Proportional to 18,304,439.92, 25,260,130.24 and 10,155,658.48
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Solution
The fourth proportional to 18,304,439.92, 25,260,130.24 and 10,155,658.48 is: 14,014,810.45
Step by Step Solution
- Step 1: Write the proportion equation
18,304,439.92 : 25,260,130.24 = 10,155,658.48 : x - Step 2: Convert to fraction form
18,304,439.92/25,260,130.24 = 10,155,658.48/x - Step 3: Cross multiply
18,304,439.92x = 25,260,130.24 × 10,155,658.48 - Step 4: Simplify right side
18,304,439.92x = 256,533,255,877,760.44 - Step 5: Solve for x
x = 256,533,255,877,760.44/18,304,439.92 - Step 6: Final answer
x = 14,014,810.45
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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.