Finding the Fourth Proportional to 29,974,498.08, 41,365,563.24 and 18,378,455.44
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Solution
The fourth proportional to 29,974,498.08, 41,365,563.24 and 18,378,455.44 is: 25,362,731.97
Step by Step Solution
- Step 1: Write the proportion equation
29,974,498.08 : 41,365,563.24 = 18,378,455.44 : x - Step 2: Convert to fraction form
29,974,498.08/41,365,563.24 = 18,378,455.44/x - Step 3: Cross multiply
29,974,498.08x = 41,365,563.24 × 18,378,455.44 - Step 4: Simplify right side
29,974,498.08x = 760,235,160,756,842.12 - Step 5: Solve for x
x = 760,235,160,756,842.12/29,974,498.08 - Step 6: Final answer
x = 25,362,731.97
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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.