Finding the Fourth Proportional to 11,752,719.12, 16,218,786.12 and 6,525,738.60
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Solution
The fourth proportional to 11,752,719.12, 16,218,786.12 and 6,525,738.60 is: 9,005,538.00
Step by Step Solution
- Step 1: Write the proportion equation
11,752,719.12 : 16,218,786.12 = 6,525,738.60 : x - Step 2: Convert to fraction form
11,752,719.12/16,218,786.12 = 6,525,738.60/x - Step 3: Cross multiply
11,752,719.12x = 16,218,786.12 × 6,525,738.60 - Step 4: Simplify right side
11,752,719.12x = 105,839,558,628,428.22 - Step 5: Solve for x
x = 105,839,558,628,428.22/11,752,719.12 - Step 6: Final answer
x = 9,005,538.00
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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.