Finding the Fourth Proportional to 8,428,772.84, 11,631,735.86 and 4,561,292.97
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Solution
The fourth proportional to 8,428,772.84, 11,631,735.86 and 4,561,292.97 is: 6,294,600.18
Step by Step Solution
- Step 1: Write the proportion equation
8,428,772.84 : 11,631,735.86 = 4,561,292.97 : x - Step 2: Convert to fraction form
8,428,772.84/11,631,735.86 = 4,561,292.97/x - Step 3: Cross multiply
8,428,772.84x = 11,631,735.86 × 4,561,292.97 - Step 4: Simplify right side
8,428,772.84x = 53,055,754,984,308.44 - Step 5: Solve for x
x = 53,055,754,984,308.44/8,428,772.84 - Step 6: Final answer
x = 6,294,600.18
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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.