Finding the Fourth Proportional to 13,198,108.28, 19,771,626.57 and 7,423,296
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Solution
The fourth proportional to 13,198,108.28, 19,771,626.57 and 7,423,296 is: 11,120,581.32
Step by Step Solution
- Step 1: Write the proportion equation
13,198,108.28 : 19,771,626.57 = 7,423,296 : x - Step 2: Convert to fraction form
13,198,108.28/19,771,626.57 = 7,423,296/x - Step 3: Cross multiply
13,198,108.28x = 19,771,626.57 × 7,423,296 - Step 4: Simplify right side
13,198,108.28x = 146,770,636,402,737.38 - Step 5: Solve for x
x = 146,770,636,402,737.38/13,198,108.28 - Step 6: Final answer
x = 11,120,581.32
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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.