Finding the Fourth Proportional to 36,107,717.36, 49,828,649.96 and 20,638,134.16
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Solution
The fourth proportional to 36,107,717.36, 49,828,649.96 and 20,638,134.16 is: 28,480,625.14
Step by Step Solution
- Step 1: Write the proportion equation
36,107,717.36 : 49,828,649.96 = 20,638,134.16 : x - Step 2: Convert to fraction form
36,107,717.36/49,828,649.96 = 20,638,134.16/x - Step 3: Cross multiply
36,107,717.36x = 49,828,649.96 × 20,638,134.16 - Step 4: Simplify right side
36,107,717.36x = 1,028,370,362,886,158.62 - Step 5: Solve for x
x = 1,028,370,362,886,158.62/36,107,717.36 - Step 6: Final answer
x = 28,480,625.14
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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.