Finding the Fourth Proportional to 16,539,961.97, 22,821,802.64 and 9,663,115.43
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Solution
The fourth proportional to 16,539,961.97, 22,821,802.64 and 9,663,115.43 is: 13,333,145.12
Step by Step Solution
- Step 1: Write the proportion equation
16,539,961.97 : 22,821,802.64 = 9,663,115.43 : x - Step 2: Convert to fraction form
16,539,961.97/22,821,802.64 = 9,663,115.43/x - Step 3: Cross multiply
16,539,961.97x = 22,821,802.64 × 9,663,115.43 - Step 4: Simplify right side
16,539,961.97x = 220,529,713,230,998.72 - Step 5: Solve for x
x = 220,529,713,230,998.72/16,539,961.97 - Step 6: Final answer
x = 13,333,145.12
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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.