Finding the Fourth Proportional to 23,430,818.70, 32,330,680.80 and 14,722,824.42
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Solution
The fourth proportional to 23,430,818.70, 32,330,680.80 and 14,722,824.42 is: 20,315,079.17
Step by Step Solution
- Step 1: Write the proportion equation
23,430,818.70 : 32,330,680.80 = 14,722,824.42 : x - Step 2: Convert to fraction form
23,430,818.70/32,330,680.80 = 14,722,824.42/x - Step 3: Cross multiply
23,430,818.70x = 32,330,680.80 × 14,722,824.42 - Step 4: Simplify right side
23,430,818.70x = 475,998,936,797,465.12 - Step 5: Solve for x
x = 475,998,936,797,465.12/23,430,818.70 - Step 6: Final answer
x = 20,315,079.17
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1.5x scale
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.