Finding the Fourth Proportional to 36,107,715.67, 49,828,647.62 and 20,638,132.46
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Solution
The fourth proportional to 36,107,715.67, 49,828,647.62 and 20,638,132.46 is: 28,480,622.79
Step by Step Solution
- Step 1: Write the proportion equation
36,107,715.67 : 49,828,647.62 = 20,638,132.46 : x - Step 2: Convert to fraction form
36,107,715.67/49,828,647.62 = 20,638,132.46/x - Step 3: Cross multiply
36,107,715.67x = 49,828,647.62 × 20,638,132.46 - Step 4: Simplify right side
36,107,715.67x = 1,028,370,229,884,223.75 - Step 5: Solve for x
x = 1,028,370,229,884,223.75/36,107,715.67 - Step 6: Final answer
x = 28,480,622.79
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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.