Finding the Fourth Proportional to 8,089,826.40, 12,134,739.60 and 2,106,194.40
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Solution
The fourth proportional to 8,089,826.40, 12,134,739.60 and 2,106,194.40 is: 3,159,291.60
Step by Step Solution
- Step 1: Write the proportion equation
8,089,826.40 : 12,134,739.60 = 2,106,194.40 : x - Step 2: Convert to fraction form
8,089,826.40/12,134,739.60 = 2,106,194.40/x - Step 3: Cross multiply
8,089,826.40x = 12,134,739.60 × 2,106,194.40 - Step 4: Simplify right side
8,089,826.40x = 25,558,120,590,978.24 - Step 5: Solve for x
x = 25,558,120,590,978.24/8,089,826.40 - Step 6: Final answer
x = 3,159,291.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.