Finding the Fourth Proportional to 9,945,369.36, 14,916,575.92 and 2,756,153.68
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Solution
The fourth proportional to 9,945,369.36, 14,916,575.92 and 2,756,153.68 is: 4,133,820.89
Step by Step Solution
- Step 1: Write the proportion equation
9,945,369.36 : 14,916,575.92 = 2,756,153.68 : x - Step 2: Convert to fraction form
9,945,369.36/14,916,575.92 = 2,756,153.68/x - Step 3: Cross multiply
9,945,369.36x = 14,916,575.92 × 2,756,153.68 - Step 4: Simplify right side
9,945,369.36x = 41,112,375,614,907.39 - Step 5: Solve for x
x = 41,112,375,614,907.39/9,945,369.36 - Step 6: Final answer
x = 4,133,820.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.