Finding the Fourth Proportional to 18,384,971.99, 27,541,581.58 and 14,322,437.69
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Solution
The fourth proportional to 18,384,971.99, 27,541,581.58 and 14,322,437.69 is: 21,455,707.76
Step by Step Solution
- Step 1: Write the proportion equation
18,384,971.99 : 27,541,581.58 = 14,322,437.69 : x - Step 2: Convert to fraction form
18,384,971.99/27,541,581.58 = 14,322,437.69/x - Step 3: Cross multiply
18,384,971.99x = 27,541,581.58 × 14,322,437.69 - Step 4: Simplify right side
18,384,971.99x = 394,462,586,095,601.50 - Step 5: Solve for x
x = 394,462,586,095,601.50/18,384,971.99 - Step 6: Final answer
x = 21,455,707.76
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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.