Finding the Fourth Proportional to 11,243,982.60, 16,855,199.22 and 4,758,135.84
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Solution
The fourth proportional to 11,243,982.60, 16,855,199.22 and 4,758,135.84 is: 7,132,644.22
Step by Step Solution
- Step 1: Write the proportion equation
11,243,982.60 : 16,855,199.22 = 4,758,135.84 : x - Step 2: Convert to fraction form
11,243,982.60/16,855,199.22 = 4,758,135.84/x - Step 3: Cross multiply
11,243,982.60x = 16,855,199.22 × 4,758,135.84 - Step 4: Simplify right side
11,243,982.60x = 80,199,327,499,022.03 - Step 5: Solve for x
x = 80,199,327,499,022.03/11,243,982.60 - Step 6: Final answer
x = 7,132,644.22
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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.