Finding the Fourth Proportional to 15,966,921.07, 22,034,359.49 and 8,624,754.03
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Solution
The fourth proportional to 15,966,921.07, 22,034,359.49 and 8,624,754.03 is: 11,902,165.11
Step by Step Solution
- Step 1: Write the proportion equation
15,966,921.07 : 22,034,359.49 = 8,624,754.03 : x - Step 2: Convert to fraction form
15,966,921.07/22,034,359.49 = 8,624,754.03/x - Step 3: Cross multiply
15,966,921.07x = 22,034,359.49 × 8,624,754.03 - Step 4: Simplify right side
15,966,921.07x = 190,040,930,809,846.22 - Step 5: Solve for x
x = 190,040,930,809,846.22/15,966,921.07 - Step 6: Final answer
x = 11,902,165.11
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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.