Finding the Fourth Proportional to 6,377,440.32, 8,803,324.80 and 4,672,105.92
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Solution
The fourth proportional to 6,377,440.32, 8,803,324.80 and 4,672,105.92 is: 6,449,306.28
Step by Step Solution
- Step 1: Write the proportion equation
6,377,440.32 : 8,803,324.80 = 4,672,105.92 : x - Step 2: Convert to fraction form
6,377,440.32/8,803,324.80 = 4,672,105.92/x - Step 3: Cross multiply
6,377,440.32x = 8,803,324.80 × 4,672,105.92 - Step 4: Simplify right side
6,377,440.32x = 41,130,065,913,762.82 - Step 5: Solve for x
x = 41,130,065,913,762.82/6,377,440.32 - Step 6: Final answer
x = 6,449,306.28
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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.