Finding the Fourth Proportional to 36,107,719.36, 49,828,652.73 and 20,638,136.14
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Solution
The fourth proportional to 36,107,719.36, 49,828,652.73 and 20,638,136.14 is: 28,480,627.88
Step by Step Solution
- Step 1: Write the proportion equation
36,107,719.36 : 49,828,652.73 = 20,638,136.14 : x - Step 2: Convert to fraction form
36,107,719.36/49,828,652.73 = 20,638,136.14/x - Step 3: Cross multiply
36,107,719.36x = 49,828,652.73 × 20,638,136.14 - Step 4: Simplify right side
36,107,719.36x = 1,028,370,518,714,522.62 - Step 5: Solve for x
x = 1,028,370,518,714,522.62/36,107,719.36 - Step 6: Final answer
x = 28,480,627.88
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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.