Finding the Fourth Proportional to 25,192,840.24, 37,795,256.60 and 8,153,513.20
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Solution
The fourth proportional to 25,192,840.24, 37,795,256.60 and 8,153,513.20 is: 12,232,210.45
Step by Step Solution
- Step 1: Write the proportion equation
25,192,840.24 : 37,795,256.60 = 8,153,513.20 : x - Step 2: Convert to fraction form
25,192,840.24/37,795,256.60 = 8,153,513.20/x - Step 3: Cross multiply
25,192,840.24x = 37,795,256.60 × 8,153,513.20 - Step 4: Simplify right side
25,192,840.24x = 308,164,123,585,487.12 - Step 5: Solve for x
x = 308,164,123,585,487.12/25,192,840.24 - Step 6: Final answer
x = 12,232,210.45
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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.