Finding the Fourth Proportional to 18,160,804.36, 27,233,008.80 and 5,203,991.44
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Solution
The fourth proportional to 18,160,804.36, 27,233,008.80 and 5,203,991.44 is: 7,803,638.09
Step by Step Solution
- Step 1: Write the proportion equation
18,160,804.36 : 27,233,008.80 = 5,203,991.44 : x - Step 2: Convert to fraction form
18,160,804.36/27,233,008.80 = 5,203,991.44/x - Step 3: Cross multiply
18,160,804.36x = 27,233,008.80 × 5,203,991.44 - Step 4: Simplify right side
18,160,804.36x = 141,720,344,680,644.69 - Step 5: Solve for x
x = 141,720,344,680,644.69/18,160,804.36 - Step 6: Final answer
x = 7,803,638.09
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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.