Finding the Fourth Proportional to 18,181,220.98, 27,276,399.75 and 5,227,395.70
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Solution
The fourth proportional to 18,181,220.98, 27,276,399.75 and 5,227,395.70 is: 7,842,407.00
Step by Step Solution
- Step 1: Write the proportion equation
18,181,220.98 : 27,276,399.75 = 5,227,395.70 : x - Step 2: Convert to fraction form
18,181,220.98/27,276,399.75 = 5,227,395.70/x - Step 3: Cross multiply
18,181,220.98x = 27,276,399.75 × 5,227,395.70 - Step 4: Simplify right side
18,181,220.98x = 142,584,534,764,631.09 - Step 5: Solve for x
x = 142,584,534,764,631.09/18,181,220.98 - Step 6: Final answer
x = 7,842,407.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.