Finding the Fourth Proportional to 28,512,469.40, 42,684,723.30 and 26,851,515.80
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Solution
The fourth proportional to 28,512,469.40, 42,684,723.30 and 26,851,515.80 is: 40,198,185.08
Step by Step Solution
- Step 1: Write the proportion equation
28,512,469.40 : 42,684,723.30 = 26,851,515.80 : x - Step 2: Convert to fraction form
28,512,469.40/42,684,723.30 = 26,851,515.80/x - Step 3: Cross multiply
28,512,469.40x = 42,684,723.30 × 26,851,515.80 - Step 4: Simplify right side
28,512,469.40x = 1,146,149,522,108,578 - Step 5: Solve for x
x = 1,146,149,522,108,578/28,512,469.40 - Step 6: Final answer
x = 40,198,185.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.