Finding the Fourth Proportional to 11,079,324.80, 16,618,987.20 and 3,506,883.20
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Solution
The fourth proportional to 11,079,324.80, 16,618,987.20 and 3,506,883.20 is: 5,260,324.80
Step by Step Solution
- Step 1: Write the proportion equation
11,079,324.80 : 16,618,987.20 = 3,506,883.20 : x - Step 2: Convert to fraction form
11,079,324.80/16,618,987.20 = 3,506,883.20/x - Step 3: Cross multiply
11,079,324.80x = 16,618,987.20 × 3,506,883.20 - Step 4: Simplify right side
11,079,324.80x = 58,280,847,012,695.04 - Step 5: Solve for x
x = 58,280,847,012,695.04/11,079,324.80 - Step 6: Final answer
x = 5,260,324.80
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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.