Finding the Fourth Proportional to 19,705,124.89, 27,192,526.80 and 10,884,418.09
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Solution
The fourth proportional to 19,705,124.89, 27,192,526.80 and 10,884,418.09 is: 15,020,195.62
Step by Step Solution
- Step 1: Write the proportion equation
19,705,124.89 : 27,192,526.80 = 10,884,418.09 : x - Step 2: Convert to fraction form
19,705,124.89/27,192,526.80 = 10,884,418.09/x - Step 3: Cross multiply
19,705,124.89x = 27,192,526.80 × 10,884,418.09 - Step 4: Simplify right side
19,705,124.89x = 295,974,830,614,729.81 - Step 5: Solve for x
x = 295,974,830,614,729.81/19,705,124.89 - Step 6: Final answer
x = 15,020,195.62
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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.