Finding the Fourth Proportional to 11,292,694.79, 16,929,519.62 and 4,898,132.78
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Solution
The fourth proportional to 11,292,694.79, 16,929,519.62 and 4,898,132.78 is: 7,343,068.81
Step by Step Solution
- Step 1: Write the proportion equation
11,292,694.79 : 16,929,519.62 = 4,898,132.78 : x - Step 2: Convert to fraction form
11,292,694.79/16,929,519.62 = 4,898,132.78/x - Step 3: Cross multiply
11,292,694.79x = 16,929,519.62 × 4,898,132.78 - Step 4: Simplify right side
11,292,694.79x = 82,923,034,891,236.88 - Step 5: Solve for x
x = 82,923,034,891,236.88/11,292,694.79 - Step 6: Final answer
x = 7,343,068.81
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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.