Finding the Fourth Proportional to 32,489,998.80, 48,734,998.20 and 13,334,503.20
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Solution
The fourth proportional to 32,489,998.80, 48,734,998.20 and 13,334,503.20 is: 20,001,754.80
Step by Step Solution
- Step 1: Write the proportion equation
32,489,998.80 : 48,734,998.20 = 13,334,503.20 : x - Step 2: Convert to fraction form
32,489,998.80/48,734,998.20 = 13,334,503.20/x - Step 3: Cross multiply
32,489,998.80x = 48,734,998.20 × 13,334,503.20 - Step 4: Simplify right side
32,489,998.80x = 649,856,989,449,894.25 - Step 5: Solve for x
x = 649,856,989,449,894.25/32,489,998.80 - Step 6: Final answer
x = 20,001,754.80
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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.