Finding the Fourth Proportional to 10,997,423.10, 15,176,791.89 and 6,351,124.14
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Solution
The fourth proportional to 10,997,423.10, 15,176,791.89 and 6,351,124.14 is: 8,764,752.29
Step by Step Solution
- Step 1: Write the proportion equation
10,997,423.10 : 15,176,791.89 = 6,351,124.14 : x - Step 2: Convert to fraction form
10,997,423.10/15,176,791.89 = 6,351,124.14/x - Step 3: Cross multiply
10,997,423.10x = 15,176,791.89 × 6,351,124.14 - Step 4: Simplify right side
10,997,423.10x = 96,389,689,340,335.22 - Step 5: Solve for x
x = 96,389,689,340,335.22/10,997,423.10 - Step 6: Final answer
x = 8,764,752.29
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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.