Finding the Fourth Proportional to 16,403,881.05, 24,605,821.58 and 15,459,097.05
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Solution
The fourth proportional to 16,403,881.05, 24,605,821.58 and 15,459,097.05 is: 23,188,645.58
Step by Step Solution
- Step 1: Write the proportion equation
16,403,881.05 : 24,605,821.58 = 15,459,097.05 : x - Step 2: Convert to fraction form
16,403,881.05/24,605,821.58 = 15,459,097.05/x - Step 3: Cross multiply
16,403,881.05x = 24,605,821.58 × 15,459,097.05 - Step 4: Simplify right side
16,403,881.05x = 380,383,783,722,908.88 - Step 5: Solve for x
x = 380,383,783,722,908.88/16,403,881.05 - Step 6: Final answer
x = 23,188,645.58
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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.