Finding the Fourth Proportional to 18,312,943.24, 27,469,135.41 and 6,190,921.99
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Solution
The fourth proportional to 18,312,943.24, 27,469,135.41 and 6,190,921.99 is: 9,286,288.51
Step by Step Solution
- Step 1: Write the proportion equation
18,312,943.24 : 27,469,135.41 = 6,190,921.99 : x - Step 2: Convert to fraction form
18,312,943.24/27,469,135.41 = 6,190,921.99/x - Step 3: Cross multiply
18,312,943.24x = 27,469,135.41 × 6,190,921.99 - Step 4: Simplify right side
18,312,943.24x = 170,059,274,456,056.69 - Step 5: Solve for x
x = 170,059,274,456,056.69/18,312,943.24 - Step 6: Final answer
x = 9,286,288.51
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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.