Finding the Fourth Proportional to 19,652,841.36, 27,122,939.28 and 11,814,891.12
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Solution
The fourth proportional to 19,652,841.36, 27,122,939.28 and 11,814,891.12 is: 16,305,763.05
Step by Step Solution
- Step 1: Write the proportion equation
19,652,841.36 : 27,122,939.28 = 11,814,891.12 : x - Step 2: Convert to fraction form
19,652,841.36/27,122,939.28 = 11,814,891.12/x - Step 3: Cross multiply
19,652,841.36x = 27,122,939.28 × 11,814,891.12 - Step 4: Simplify right side
19,652,841.36x = 320,454,574,447,571.19 - Step 5: Solve for x
x = 320,454,574,447,571.19/19,652,841.36 - Step 6: Final answer
x = 16,305,763.05
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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.