Finding the Fourth Proportional to 18,424,864.48, 27,640,839.12 and 7,064,427.12
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Solution
The fourth proportional to 18,424,864.48, 27,640,839.12 and 7,064,427.12 is: 10,597,998.90
Step by Step Solution
- Step 1: Write the proportion equation
18,424,864.48 : 27,640,839.12 = 7,064,427.12 : x - Step 2: Convert to fraction form
18,424,864.48/27,640,839.12 = 7,064,427.12/x - Step 3: Cross multiply
18,424,864.48x = 27,640,839.12 × 7,064,427.12 - Step 4: Simplify right side
18,424,864.48x = 195,266,693,498,884.94 - Step 5: Solve for x
x = 195,266,693,498,884.94/18,424,864.48 - Step 6: Final answer
x = 10,597,998.90
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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.