Finding the Fourth Proportional to 20,012,928.26, 27,617,864.64 and 10,845,571.02
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Solution
The fourth proportional to 20,012,928.26, 27,617,864.64 and 10,845,571.02 is: 14,966,900.82
Step by Step Solution
- Step 1: Write the proportion equation
20,012,928.26 : 27,617,864.64 = 10,845,571.02 : x - Step 2: Convert to fraction form
20,012,928.26/27,617,864.64 = 10,845,571.02/x - Step 3: Cross multiply
20,012,928.26x = 27,617,864.64 × 10,845,571.02 - Step 4: Simplify right side
20,012,928.26x = 299,531,512,373,866.75 - Step 5: Solve for x
x = 299,531,512,373,866.75/20,012,928.26 - Step 6: Final answer
x = 14,966,900.82
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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.