Finding the Fourth Proportional to 51,424,748.28, 77,136,914.64 and 18,627,640.84
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Solution
The fourth proportional to 51,424,748.28, 77,136,914.64 and 18,627,640.84 is: 27,941,386.00
Step by Step Solution
- Step 1: Write the proportion equation
51,424,748.28 : 77,136,914.64 = 18,627,640.84 : x - Step 2: Convert to fraction form
51,424,748.28/77,136,914.64 = 18,627,640.84/x - Step 3: Cross multiply
51,424,748.28x = 77,136,914.64 × 18,627,640.84 - Step 4: Simplify right side
51,424,748.28x = 1,436,878,741,481,152.25 - Step 5: Solve for x
x = 1,436,878,741,481,152.25/51,424,748.28 - Step 6: Final answer
x = 27,941,386.00
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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.