Finding the Fourth Proportional to 18,821,414.90, 28,232,122.35 and 6,043,211.30
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Solution
The fourth proportional to 18,821,414.90, 28,232,122.35 and 6,043,211.30 is: 9,064,816.95
Step by Step Solution
- Step 1: Write the proportion equation
18,821,414.90 : 28,232,122.35 = 6,043,211.30 : x - Step 2: Convert to fraction form
18,821,414.90/28,232,122.35 = 6,043,211.30/x - Step 3: Cross multiply
18,821,414.90x = 28,232,122.35 × 6,043,211.30 - Step 4: Simplify right side
18,821,414.90x = 170,612,680,808,502.56 - Step 5: Solve for x
x = 170,612,680,808,502.56/18,821,414.90 - Step 6: Final answer
x = 9,064,816.95
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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.