Finding the Fourth Proportional to 14,383,743.48, 19,850,169.42 and 8,272,176.84
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Solution
The fourth proportional to 14,383,743.48, 19,850,169.42 and 8,272,176.84 is: 11,415,951.07
Step by Step Solution
- Step 1: Write the proportion equation
14,383,743.48 : 19,850,169.42 = 8,272,176.84 : x - Step 2: Convert to fraction form
14,383,743.48/19,850,169.42 = 8,272,176.84/x - Step 3: Cross multiply
14,383,743.48x = 19,850,169.42 × 8,272,176.84 - Step 4: Simplify right side
14,383,743.48x = 164,204,111,746,200.25 - Step 5: Solve for x
x = 164,204,111,746,200.25/14,383,743.48 - Step 6: Final answer
x = 11,415,951.07
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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.