Finding the Fourth Proportional to 18,242,283.44, 25,174,350.36 and 9,982,346.41
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Solution
The fourth proportional to 18,242,283.44, 25,174,350.36 and 9,982,346.41 is: 13,775,637.62
Step by Step Solution
- Step 1: Write the proportion equation
18,242,283.44 : 25,174,350.36 = 9,982,346.41 : x - Step 2: Convert to fraction form
18,242,283.44/25,174,350.36 = 9,982,346.41/x - Step 3: Cross multiply
18,242,283.44x = 25,174,350.36 × 9,982,346.41 - Step 4: Simplify right side
18,242,283.44x = 251,299,085,940,228.22 - Step 5: Solve for x
x = 251,299,085,940,228.22/18,242,283.44 - Step 6: Final answer
x = 13,775,637.62
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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.