Finding the Fourth Proportional to 8,494,860.48, 11,722,923.36 and 5,057,220.48
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Solution
The fourth proportional to 8,494,860.48, 11,722,923.36 and 5,057,220.48 is: 6,978,973.73
Step by Step Solution
- Step 1: Write the proportion equation
8,494,860.48 : 11,722,923.36 = 5,057,220.48 : x - Step 2: Convert to fraction form
8,494,860.48/11,722,923.36 = 5,057,220.48/x - Step 3: Cross multiply
8,494,860.48x = 11,722,923.36 × 5,057,220.48 - Step 4: Simplify right side
8,494,860.48x = 59,285,408,101,662.41 - Step 5: Solve for x
x = 59,285,408,101,662.41/8,494,860.48 - Step 6: Final answer
x = 6,978,973.73
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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.