Finding the Fourth Proportional to 16,449,648.74, 22,702,038.53 and 9,107,481.99
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Solution
The fourth proportional to 16,449,648.74, 22,702,038.53 and 9,107,481.99 is: 12,569,168.52
Step by Step Solution
- Step 1: Write the proportion equation
16,449,648.74 : 22,702,038.53 = 9,107,481.99 : x - Step 2: Convert to fraction form
16,449,648.74/22,702,038.53 = 9,107,481.99/x - Step 3: Cross multiply
16,449,648.74x = 22,702,038.53 × 9,107,481.99 - Step 4: Simplify right side
16,449,648.74x = 206,758,407,002,723.66 - Step 5: Solve for x
x = 206,758,407,002,723.66/16,449,648.74 - Step 6: Final answer
x = 12,569,168.52
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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.