Finding the Fourth Proportional to 8,666,983.44, 13,000,445.08 and 2,601,690.68
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Solution
The fourth proportional to 8,666,983.44, 13,000,445.08 and 2,601,690.68 is: 3,902,526.99
Step by Step Solution
- Step 1: Write the proportion equation
8,666,983.44 : 13,000,445.08 = 2,601,690.68 : x - Step 2: Convert to fraction form
8,666,983.44/13,000,445.08 = 2,601,690.68/x - Step 3: Cross multiply
8,666,983.44x = 13,000,445.08 × 2,601,690.68 - Step 4: Simplify right side
8,666,983.44x = 33,823,136,800,487.86 - Step 5: Solve for x
x = 33,823,136,800,487.86/8,666,983.44 - Step 6: Final answer
x = 3,902,526.99
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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.