Finding the Fourth Proportional to 16,577,961.62, 22,868,829.70 and 11,412,355.10
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Solution
The fourth proportional to 16,577,961.62, 22,868,829.70 and 11,412,355.10 is: 15,743,021.44
Step by Step Solution
- Step 1: Write the proportion equation
16,577,961.62 : 22,868,829.70 = 11,412,355.10 : x - Step 2: Convert to fraction form
16,577,961.62/22,868,829.70 = 11,412,355.10/x - Step 3: Cross multiply
16,577,961.62x = 22,868,829.70 × 11,412,355.10 - Step 4: Simplify right side
16,577,961.62x = 260,987,205,114,951.47 - Step 5: Solve for x
x = 260,987,205,114,951.47/16,577,961.62 - Step 6: Final answer
x = 15,743,021.44
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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.