Finding the Fourth Proportional to 20,081,491.36, 27,712,673.68 and 10,914,136.48
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Solution
The fourth proportional to 20,081,491.36, 27,712,673.68 and 10,914,136.48 is: 15,061,625.52
Step by Step Solution
- Step 1: Write the proportion equation
20,081,491.36 : 27,712,673.68 = 10,914,136.48 : x - Step 2: Convert to fraction form
20,081,491.36/27,712,673.68 = 10,914,136.48/x - Step 3: Cross multiply
20,081,491.36x = 27,712,673.68 × 10,914,136.48 - Step 4: Simplify right side
20,081,491.36x = 302,459,902,769,223.88 - Step 5: Solve for x
x = 302,459,902,769,223.88/20,081,491.36 - Step 6: Final answer
x = 15,061,625.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.