Finding the Fourth Proportional to 21,746,874.80, 32,630,809.80 and 15,343,338.80
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Solution
The fourth proportional to 21,746,874.80, 32,630,809.80 and 15,343,338.80 is: 23,022,414.70
Step by Step Solution
- Step 1: Write the proportion equation
21,746,874.80 : 32,630,809.80 = 15,343,338.80 : x - Step 2: Convert to fraction form
21,746,874.80/32,630,809.80 = 15,343,338.80/x - Step 3: Cross multiply
21,746,874.80x = 32,630,809.80 × 15,343,338.80 - Step 4: Simplify right side
21,746,874.80x = 500,665,570,079,760.25 - Step 5: Solve for x
x = 500,665,570,079,760.25/21,746,874.80 - Step 6: Final answer
x = 23,022,414.70
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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.