Finding the Fourth Proportional to 27,758,744.68, 38,302,496.58 and 17,438,158.12
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Solution
The fourth proportional to 27,758,744.68, 38,302,496.58 and 17,438,158.12 is: 24,061,786.64
Step by Step Solution
- Step 1: Write the proportion equation
27,758,744.68 : 38,302,496.58 = 17,438,158.12 : x - Step 2: Convert to fraction form
27,758,744.68/38,302,496.58 = 17,438,158.12/x - Step 3: Cross multiply
27,758,744.68x = 38,302,496.58 × 17,438,158.12 - Step 4: Simplify right side
27,758,744.68x = 667,924,991,752,799.25 - Step 5: Solve for x
x = 667,924,991,752,799.25/27,758,744.68 - Step 6: Final answer
x = 24,061,786.64
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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.