Finding the Fourth Proportional to 10,361,052.60, 15,541,615.80 and 3,172,556.53
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Solution
The fourth proportional to 10,361,052.60, 15,541,615.80 and 3,172,556.53 is: 4,758,846.09
Step by Step Solution
- Step 1: Write the proportion equation
10,361,052.60 : 15,541,615.80 = 3,172,556.53 : x - Step 2: Convert to fraction form
10,361,052.60/15,541,615.80 = 3,172,556.53/x - Step 3: Cross multiply
10,361,052.60x = 15,541,615.80 × 3,172,556.53 - Step 4: Simplify right side
10,361,052.60x = 49,306,654,693,041.17 - Step 5: Solve for x
x = 49,306,654,693,041.17/10,361,052.60 - Step 6: Final answer
x = 4,758,846.09
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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.