Finding the Fourth Proportional to 20,460,282.06, 30,703,490.42 and 9,678,218.97
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Solution
The fourth proportional to 20,460,282.06, 30,703,490.42 and 9,678,218.97 is: 14,523,509.62
Step by Step Solution
- Step 1: Write the proportion equation
20,460,282.06 : 30,703,490.42 = 9,678,218.97 : x - Step 2: Convert to fraction form
20,460,282.06/30,703,490.42 = 9,678,218.97/x - Step 3: Cross multiply
20,460,282.06x = 30,703,490.42 × 9,678,218.97 - Step 4: Simplify right side
20,460,282.06x = 297,155,103,428,057.31 - Step 5: Solve for x
x = 297,155,103,428,057.31/20,460,282.06 - Step 6: Final answer
x = 14,523,509.62
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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.