Finding the Fourth Proportional to 16,243,805.80, 24,372,269.70 and 7,147,635.40
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Solution
The fourth proportional to 16,243,805.80, 24,372,269.70 and 7,147,635.40 is: 10,724,340.09
Step by Step Solution
- Step 1: Write the proportion equation
16,243,805.80 : 24,372,269.70 = 7,147,635.40 : x - Step 2: Convert to fraction form
16,243,805.80/24,372,269.70 = 7,147,635.40/x - Step 3: Cross multiply
16,243,805.80x = 24,372,269.70 × 7,147,635.40 - Step 4: Simplify right side
16,243,805.80x = 174,204,097,686,067.38 - Step 5: Solve for x
x = 174,204,097,686,067.38/16,243,805.80 - Step 6: Final answer
x = 10,724,340.09
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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.