Finding the Fourth Proportional to 21,334,806.65, 29,441,808.81 and 11,545,036.49
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Solution
The fourth proportional to 21,334,806.65, 29,441,808.81 and 11,545,036.49 is: 15,932,028.94
Step by Step Solution
- Step 1: Write the proportion equation
21,334,806.65 : 29,441,808.81 = 11,545,036.49 : x - Step 2: Convert to fraction form
21,334,806.65/29,441,808.81 = 11,545,036.49/x - Step 3: Cross multiply
21,334,806.65x = 29,441,808.81 × 11,545,036.49 - Step 4: Simplify right side
21,334,806.65x = 339,906,757,043,053.44 - Step 5: Solve for x
x = 339,906,757,043,053.44/21,334,806.65 - Step 6: Final answer
x = 15,932,028.94
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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.