Finding the Fourth Proportional to 19,973,121.96, 27,561,338.48 and 12,237,112.48
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Solution
The fourth proportional to 19,973,121.96, 27,561,338.48 and 12,237,112.48 is: 16,886,253.42
Step by Step Solution
- Step 1: Write the proportion equation
19,973,121.96 : 27,561,338.48 = 12,237,112.48 : x - Step 2: Convert to fraction form
19,973,121.96/27,561,338.48 = 12,237,112.48/x - Step 3: Cross multiply
19,973,121.96x = 27,561,338.48 × 12,237,112.48 - Step 4: Simplify right side
19,973,121.96x = 337,271,199,079,112.25 - Step 5: Solve for x
x = 337,271,199,079,112.25/19,973,121.96 - Step 6: Final answer
x = 16,886,253.42
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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.