Finding the Fourth Proportional to 10,214,819.68, 14,096,493.84 and 5,631,040.48
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Solution
The fourth proportional to 10,214,819.68, 14,096,493.84 and 5,631,040.48 is: 7,770,859.39
Step by Step Solution
- Step 1: Write the proportion equation
10,214,819.68 : 14,096,493.84 = 5,631,040.48 : x - Step 2: Convert to fraction form
10,214,819.68/14,096,493.84 = 5,631,040.48/x - Step 3: Cross multiply
10,214,819.68x = 14,096,493.84 × 5,631,040.48 - Step 4: Simplify right side
10,214,819.68x = 79,377,927,439,110.66 - Step 5: Solve for x
x = 79,377,927,439,110.66/10,214,819.68 - Step 6: Final answer
x = 7,770,859.39
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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.