Finding the Fourth Proportional to 10,315,991.09, 14,231,652.73 and 6,441,786.20
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Solution
The fourth proportional to 10,315,991.09, 14,231,652.73 and 6,441,786.20 is: 8,886,908.04
Step by Step Solution
- Step 1: Write the proportion equation
10,315,991.09 : 14,231,652.73 = 6,441,786.20 : x - Step 2: Convert to fraction form
10,315,991.09/14,231,652.73 = 6,441,786.20/x - Step 3: Cross multiply
10,315,991.09x = 14,231,652.73 × 6,441,786.20 - Step 4: Simplify right side
10,315,991.09x = 91,677,264,072,043.59 - Step 5: Solve for x
x = 91,677,264,072,043.59/10,315,991.09 - Step 6: Final answer
x = 8,886,908.04
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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.