Finding the Fourth Proportional to 8,626,979.80, 12,942,306.66 and 2,561,729.08
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Solution
The fourth proportional to 8,626,979.80, 12,942,306.66 and 2,561,729.08 is: 3,843,139.09
Step by Step Solution
- Step 1: Write the proportion equation
8,626,979.80 : 12,942,306.66 = 2,561,729.08 : x - Step 2: Convert to fraction form
8,626,979.80/12,942,306.66 = 2,561,729.08/x - Step 3: Cross multiply
8,626,979.80x = 12,942,306.66 × 2,561,729.08 - Step 4: Simplify right side
8,626,979.80x = 33,154,683,333,199.68 - Step 5: Solve for x
x = 33,154,683,333,199.68/8,626,979.80 - Step 6: Final answer
x = 3,843,139.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.