Finding the Fourth Proportional to 10,725,369.12, 16,066,513.08 and 4,960,021.68
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Solution
The fourth proportional to 10,725,369.12, 16,066,513.08 and 4,960,021.68 is: 7,430,070.92
Step by Step Solution
- Step 1: Write the proportion equation
10,725,369.12 : 16,066,513.08 = 4,960,021.68 : x - Step 2: Convert to fraction form
10,725,369.12/16,066,513.08 = 4,960,021.68/x - Step 3: Cross multiply
10,725,369.12x = 16,066,513.08 × 4,960,021.68 - Step 4: Simplify right side
10,725,369.12x = 79,690,253,198,803.56 - Step 5: Solve for x
x = 79,690,253,198,803.56/10,725,369.12 - Step 6: Final answer
x = 7,430,070.92
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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.