Finding the Fourth Proportional to 19,639,227.22, 27,102,974.33 and 10,937,399.82
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Solution
The fourth proportional to 19,639,227.22, 27,102,974.33 and 10,937,399.82 is: 15,094,079.99
Step by Step Solution
- Step 1: Write the proportion equation
19,639,227.22 : 27,102,974.33 = 10,937,399.82 : x - Step 2: Convert to fraction form
19,639,227.22/27,102,974.33 = 10,937,399.82/x - Step 3: Cross multiply
19,639,227.22x = 27,102,974.33 × 10,937,399.82 - Step 4: Simplify right side
19,639,227.22x = 296,436,066,558,406.62 - Step 5: Solve for x
x = 296,436,066,558,406.62/19,639,227.22 - Step 6: Final answer
x = 15,094,079.99
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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.