Finding the Fourth Proportional to 20,858,074, 31,296,079.08 and 10,083,476.80
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Solution
The fourth proportional to 20,858,074, 31,296,079.08 and 10,083,476.80 is: 15,129,550.66
Step by Step Solution
- Step 1: Write the proportion equation
20,858,074 : 31,296,079.08 = 10,083,476.80 : x - Step 2: Convert to fraction form
20,858,074/31,296,079.08 = 10,083,476.80/x - Step 3: Cross multiply
20,858,074x = 31,296,079.08 × 10,083,476.80 - Step 4: Simplify right side
20,858,074x = 315,573,287,334,145.38 - Step 5: Solve for x
x = 315,573,287,334,145.38/20,858,074 - Step 6: Final answer
x = 15,129,550.66
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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.