Finding the Fourth Proportional to 39,161,449.94, 58,735,659.53 and 11,861,251.95
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Solution
The fourth proportional to 39,161,449.94, 58,735,659.53 and 11,861,251.95 is: 17,789,904.54
Step by Step Solution
- Step 1: Write the proportion equation
39,161,449.94 : 58,735,659.53 = 11,861,251.95 : x - Step 2: Convert to fraction form
39,161,449.94/58,735,659.53 = 11,861,251.95/x - Step 3: Cross multiply
39,161,449.94x = 58,735,659.53 × 11,861,251.95 - Step 4: Simplify right side
39,161,449.94x = 696,678,456,075,442.25 - Step 5: Solve for x
x = 696,678,456,075,442.25/39,161,449.94 - Step 6: Final answer
x = 17,789,904.54
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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.