Finding the Fourth Proportional to 29,664,946.80, 44,461,990.80 and 12,393,114.30
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Solution
The fourth proportional to 29,664,946.80, 44,461,990.80 and 12,393,114.30 is: 18,574,870.12
Step by Step Solution
- Step 1: Write the proportion equation
29,664,946.80 : 44,461,990.80 = 12,393,114.30 : x - Step 2: Convert to fraction form
29,664,946.80/44,461,990.80 = 12,393,114.30/x - Step 3: Cross multiply
29,664,946.80x = 44,461,990.80 × 12,393,114.30 - Step 4: Simplify right side
29,664,946.80x = 551,022,533,989,948.44 - Step 5: Solve for x
x = 551,022,533,989,948.44/29,664,946.80 - Step 6: Final answer
x = 18,574,870.12
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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.