Finding the Fourth Proportional to 18,821,612.20, 28,236,354.90 and 6,043,408.60
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Solution
The fourth proportional to 18,821,612.20, 28,236,354.90 and 6,043,408.60 is: 9,066,376.90
Step by Step Solution
- Step 1: Write the proportion equation
18,821,612.20 : 28,236,354.90 = 6,043,408.60 : x - Step 2: Convert to fraction form
18,821,612.20/28,236,354.90 = 6,043,408.60/x - Step 3: Cross multiply
18,821,612.20x = 28,236,354.90 × 6,043,408.60 - Step 4: Simplify right side
18,821,612.20x = 170,643,830,035,312.12 - Step 5: Solve for x
x = 170,643,830,035,312.12/18,821,612.20 - Step 6: Final answer
x = 9,066,376.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.