Finding the Fourth Proportional to 39,476,716.80, 59,204,577.60 and 12,182,956.80
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Solution
The fourth proportional to 39,476,716.80, 59,204,577.60 and 12,182,956.80 is: 18,271,195.52
Step by Step Solution
- Step 1: Write the proportion equation
39,476,716.80 : 59,204,577.60 = 12,182,956.80 : x - Step 2: Convert to fraction form
39,476,716.80/59,204,577.60 = 12,182,956.80/x - Step 3: Cross multiply
39,476,716.80x = 59,204,577.60 × 12,182,956.80 - Step 4: Simplify right side
39,476,716.80x = 721,286,811,263,047.75 - Step 5: Solve for x
x = 721,286,811,263,047.75/39,476,716.80 - Step 6: Final answer
x = 18,271,195.52
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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.