Finding the Fourth Proportional to 26,236,509.80, 39,354,764.70 and 25,173,627.80
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Solution
The fourth proportional to 26,236,509.80, 39,354,764.70 and 25,173,627.80 is: 37,760,441.70
Step by Step Solution
- Step 1: Write the proportion equation
26,236,509.80 : 39,354,764.70 = 25,173,627.80 : x - Step 2: Convert to fraction form
26,236,509.80/39,354,764.70 = 25,173,627.80/x - Step 3: Cross multiply
26,236,509.80x = 39,354,764.70 × 25,173,627.80 - Step 4: Simplify right side
26,236,509.80x = 990,702,198,714,378.75 - Step 5: Solve for x
x = 990,702,198,714,378.75/26,236,509.80 - Step 6: Final answer
x = 37,760,441.70
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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.