Finding the Fourth Proportional to 19,264,735.62, 28,901,925.69 and 5,617,883.49
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Solution
The fourth proportional to 19,264,735.62, 28,901,925.69 and 5,617,883.49 is: 8,428,231.48
Step by Step Solution
- Step 1: Write the proportion equation
19,264,735.62 : 28,901,925.69 = 5,617,883.49 : x - Step 2: Convert to fraction form
19,264,735.62/28,901,925.69 = 5,617,883.49/x - Step 3: Cross multiply
19,264,735.62x = 28,901,925.69 × 5,617,883.49 - Step 4: Simplify right side
19,264,735.62x = 162,367,651,163,057.88 - Step 5: Solve for x
x = 162,367,651,163,057.88/19,264,735.62 - Step 6: Final answer
x = 8,428,231.48
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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.