Finding the Fourth Proportional to 11,020,115.40, 16,525,847.70 and 4,193,062.80
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Solution
The fourth proportional to 11,020,115.40, 16,525,847.70 and 4,193,062.80 is: 6,287,948.42
Step by Step Solution
- Step 1: Write the proportion equation
11,020,115.40 : 16,525,847.70 = 4,193,062.80 : x - Step 2: Convert to fraction form
11,020,115.40/16,525,847.70 = 4,193,062.80/x - Step 3: Cross multiply
11,020,115.40x = 16,525,847.70 × 4,193,062.80 - Step 4: Simplify right side
11,020,115.40x = 69,293,917,229,335.55 - Step 5: Solve for x
x = 69,293,917,229,335.55/11,020,115.40 - Step 6: Final answer
x = 6,287,948.42
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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.