Finding the Fourth Proportional to 25,563,793.08, 35,278,904.92 and 15,118,763.09
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Solution
The fourth proportional to 25,563,793.08, 35,278,904.92 and 15,118,763.09 is: 20,864,407.87
Step by Step Solution
- Step 1: Write the proportion equation
25,563,793.08 : 35,278,904.92 = 15,118,763.09 : x - Step 2: Convert to fraction form
25,563,793.08/35,278,904.92 = 15,118,763.09/x - Step 3: Cross multiply
25,563,793.08x = 35,278,904.92 × 15,118,763.09 - Step 4: Simplify right side
25,563,793.08x = 533,373,405,560,115.44 - Step 5: Solve for x
x = 533,373,405,560,115.44/25,563,793.08 - Step 6: Final answer
x = 20,864,407.87
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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.