Finding the Fourth Proportional to 8,629,615.70, 12,948,052.35 and 4,635,862.10
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Solution
The fourth proportional to 8,629,615.70, 12,948,052.35 and 4,635,862.10 is: 6,955,742.56
Step by Step Solution
- Step 1: Write the proportion equation
8,629,615.70 : 12,948,052.35 = 4,635,862.10 : x - Step 2: Convert to fraction form
8,629,615.70/12,948,052.35 = 4,635,862.10/x - Step 3: Cross multiply
8,629,615.70x = 12,948,052.35 × 4,635,862.10 - Step 4: Simplify right side
8,629,615.70x = 60,025,385,158,180.93 - Step 5: Solve for x
x = 60,025,385,158,180.93/8,629,615.70 - Step 6: Final answer
x = 6,955,742.56
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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.