Finding the Fourth Proportional to 39,476,713.80, 59,204,573.10 and 12,182,953.80
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Solution
The fourth proportional to 39,476,713.80, 59,204,573.10 and 12,182,953.80 is: 18,271,191.02
Step by Step Solution
- Step 1: Write the proportion equation
39,476,713.80 : 59,204,573.10 = 12,182,953.80 : x - Step 2: Convert to fraction form
39,476,713.80/59,204,573.10 = 12,182,953.80/x - Step 3: Cross multiply
39,476,713.80x = 59,204,573.10 × 12,182,953.80 - Step 4: Simplify right side
39,476,713.80x = 721,286,578,826,022.88 - Step 5: Solve for x
x = 721,286,578,826,022.88/39,476,713.80 - Step 6: Final answer
x = 18,271,191.02
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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.