Finding the Fourth Proportional to 29,991,575.80, 44,982,698.10 and 8,424,062.20
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Solution
The fourth proportional to 29,991,575.80, 44,982,698.10 and 8,424,062.20 is: 12,634,782.82
Step by Step Solution
- Step 1: Write the proportion equation
29,991,575.80 : 44,982,698.10 = 8,424,062.20 : x - Step 2: Convert to fraction form
29,991,575.80/44,982,698.10 = 8,424,062.20/x - Step 3: Cross multiply
29,991,575.80x = 44,982,698.10 × 8,424,062.20 - Step 4: Simplify right side
29,991,575.80x = 378,937,046,718,221.81 - Step 5: Solve for x
x = 378,937,046,718,221.81/29,991,575.80 - Step 6: Final answer
x = 12,634,782.82
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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.