Finding the Fourth Proportional to 27,389,847.84, 37,799,129.04 and 15,166,704.48
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Solution
The fourth proportional to 27,389,847.84, 37,799,129.04 and 15,166,704.48 is: 20,930,682.90
Step by Step Solution
- Step 1: Write the proportion equation
27,389,847.84 : 37,799,129.04 = 15,166,704.48 : x - Step 2: Convert to fraction form
27,389,847.84/37,799,129.04 = 15,166,704.48/x - Step 3: Cross multiply
27,389,847.84x = 37,799,129.04 × 15,166,704.48 - Step 4: Simplify right side
27,389,847.84x = 573,288,219,751,066.12 - Step 5: Solve for x
x = 573,288,219,751,066.12/27,389,847.84 - Step 6: Final answer
x = 20,930,682.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.