Finding the Fourth Proportional to 22,811,810.09, 31,479,093.99 and 13,021,864.97
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Solution
The fourth proportional to 22,811,810.09, 31,479,093.99 and 13,021,864.97 is: 17,969,486.40
Step by Step Solution
- Step 1: Write the proportion equation
22,811,810.09 : 31,479,093.99 = 13,021,864.97 : x - Step 2: Convert to fraction form
22,811,810.09/31,479,093.99 = 13,021,864.97/x - Step 3: Cross multiply
22,811,810.09x = 31,479,093.99 × 13,021,864.97 - Step 4: Simplify right side
22,811,810.09x = 409,916,511,158,323.06 - Step 5: Solve for x
x = 409,916,511,158,323.06/22,811,810.09 - Step 6: Final answer
x = 17,969,486.40
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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.