Finding the Fourth Proportional to 11,197,614.63, 15,450,869.10 and 6,486,334.79
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Solution
The fourth proportional to 11,197,614.63, 15,450,869.10 and 6,486,334.79 is: 8,950,076.69
Step by Step Solution
- Step 1: Write the proportion equation
11,197,614.63 : 15,450,869.10 = 6,486,334.79 : x - Step 2: Convert to fraction form
11,197,614.63/15,450,869.10 = 6,486,334.79/x - Step 3: Cross multiply
11,197,614.63x = 15,450,869.10 × 6,486,334.79 - Step 4: Simplify right side
11,197,614.63x = 100,219,509,726,135.41 - Step 5: Solve for x
x = 100,219,509,726,135.41/11,197,614.63 - Step 6: Final answer
x = 8,950,076.69
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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.