Finding the Fourth Proportional to 48,989,994.86, 73,486,583.70 and 14,443,499.66
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Solution
The fourth proportional to 48,989,994.86, 73,486,583.70 and 14,443,499.66 is: 21,665,718.68
Step by Step Solution
- Step 1: Write the proportion equation
48,989,994.86 : 73,486,583.70 = 14,443,499.66 : x - Step 2: Convert to fraction form
48,989,994.86/73,486,583.70 = 14,443,499.66/x - Step 3: Cross multiply
48,989,994.86x = 73,486,583.70 × 14,443,499.66 - Step 4: Simplify right side
48,989,994.86x = 1,061,403,446,685,511.62 - Step 5: Solve for x
x = 1,061,403,446,685,511.62/48,989,994.86 - Step 6: Final answer
x = 21,665,718.68
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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.