Finding the Fourth Proportional to 20,177,164.70, 30,345,463.20 and 18,104,544.80
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Solution
The fourth proportional to 20,177,164.70, 30,345,463.20 and 18,104,544.80 is: 27,228,344.82
Step by Step Solution
- Step 1: Write the proportion equation
20,177,164.70 : 30,345,463.20 = 18,104,544.80 : x - Step 2: Convert to fraction form
20,177,164.70/30,345,463.20 = 18,104,544.80/x - Step 3: Cross multiply
20,177,164.70x = 30,345,463.20 × 18,104,544.80 - Step 4: Simplify right side
20,177,164.70x = 549,390,797,981,151.38 - Step 5: Solve for x
x = 549,390,797,981,151.38/20,177,164.70 - Step 6: Final answer
x = 27,228,344.82
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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.