Finding the Fourth Proportional to 14,383,717.98, 19,850,134.32 and 8,272,151.34
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Solution
The fourth proportional to 14,383,717.98, 19,850,134.32 and 8,272,151.34 is: 11,415,915.93
Step by Step Solution
- Step 1: Write the proportion equation
14,383,717.98 : 19,850,134.32 = 8,272,151.34 : x - Step 2: Convert to fraction form
14,383,717.98/19,850,134.32 = 8,272,151.34/x - Step 3: Cross multiply
14,383,717.98x = 19,850,134.32 × 8,272,151.34 - Step 4: Simplify right side
14,383,717.98x = 164,203,315,214,368 - Step 5: Solve for x
x = 164,203,315,214,368/14,383,717.98 - Step 6: Final answer
x = 11,415,915.93
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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.