Finding the Fourth Proportional to 32,257,207.20, 48,385,810.80 and 8,322,679.20
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Solution
The fourth proportional to 32,257,207.20, 48,385,810.80 and 8,322,679.20 is: 12,484,018.80
Step by Step Solution
- Step 1: Write the proportion equation
32,257,207.20 : 48,385,810.80 = 8,322,679.20 : x - Step 2: Convert to fraction form
32,257,207.20/48,385,810.80 = 8,322,679.20/x - Step 3: Cross multiply
32,257,207.20x = 48,385,810.80 × 8,322,679.20 - Step 4: Simplify right side
32,257,207.20x = 402,699,581,120,295.38 - Step 5: Solve for x
x = 402,699,581,120,295.38/32,257,207.20 - Step 6: Final answer
x = 12,484,018.80
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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.