Finding the Fourth Proportional to 18,269,796.48, 27,387,529.20 and 6,130,746.72
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Solution
The fourth proportional to 18,269,796.48, 27,387,529.20 and 6,130,746.72 is: 9,190,359.89
Step by Step Solution
- Step 1: Write the proportion equation
18,269,796.48 : 27,387,529.20 = 6,130,746.72 : x - Step 2: Convert to fraction form
18,269,796.48/27,387,529.20 = 6,130,746.72/x - Step 3: Cross multiply
18,269,796.48x = 27,387,529.20 × 6,130,746.72 - Step 4: Simplify right side
18,269,796.48x = 167,906,004,811,804.22 - Step 5: Solve for x
x = 167,906,004,811,804.22/18,269,796.48 - Step 6: Final answer
x = 9,190,359.89
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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.