Finding the Fourth Proportional to 19,546,909.40, 29,348,357.70 and 11,043,853.40
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Solution
The fourth proportional to 19,546,909.40, 29,348,357.70 and 11,043,853.40 is: 16,581,596.27
Step by Step Solution
- Step 1: Write the proportion equation
19,546,909.40 : 29,348,357.70 = 11,043,853.40 : x - Step 2: Convert to fraction form
19,546,909.40/29,348,357.70 = 11,043,853.40/x - Step 3: Cross multiply
19,546,909.40x = 29,348,357.70 × 11,043,853.40 - Step 4: Simplify right side
19,546,909.40x = 324,118,959,969,561.19 - Step 5: Solve for x
x = 324,118,959,969,561.19/19,546,909.40 - Step 6: Final answer
x = 16,581,596.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.