Finding the Fourth Proportional to 11,851,748.09, 16,356,739.69 and 6,695,441.79
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Solution
The fourth proportional to 11,851,748.09, 16,356,739.69 and 6,695,441.79 is: 9,240,459.52
Step by Step Solution
- Step 1: Write the proportion equation
11,851,748.09 : 16,356,739.69 = 6,695,441.79 : x - Step 2: Convert to fraction form
11,851,748.09/16,356,739.69 = 6,695,441.79/x - Step 3: Cross multiply
11,851,748.09x = 16,356,739.69 × 6,695,441.79 - Step 4: Simplify right side
11,851,748.09x = 109,515,598,468,577.64 - Step 5: Solve for x
x = 109,515,598,468,577.64/11,851,748.09 - Step 6: Final answer
x = 9,240,459.52
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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.