Finding the Fourth Proportional to 14,383,762.16, 19,850,195.04 and 8,272,195.52
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Solution
The fourth proportional to 14,383,762.16, 19,850,195.04 and 8,272,195.52 is: 11,415,976.76
Step by Step Solution
- Step 1: Write the proportion equation
14,383,762.16 : 19,850,195.04 = 8,272,195.52 : x - Step 2: Convert to fraction form
14,383,762.16/19,850,195.04 = 8,272,195.52/x - Step 3: Cross multiply
14,383,762.16x = 19,850,195.04 × 8,272,195.52 - Step 4: Simplify right side
14,383,762.16x = 164,204,694,481,014.22 - Step 5: Solve for x
x = 164,204,694,481,014.22/14,383,762.16 - Step 6: Final answer
x = 11,415,976.76
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1.5x scale
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.