Finding the Fourth Proportional to 9,089,475.36, 12,548,021.16 and 5,652,823.68
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Solution
The fourth proportional to 9,089,475.36, 12,548,021.16 and 5,652,823.68 is: 7,803,723.35
Step by Step Solution
- Step 1: Write the proportion equation
9,089,475.36 : 12,548,021.16 = 5,652,823.68 : x - Step 2: Convert to fraction form
9,089,475.36/12,548,021.16 = 5,652,823.68/x - Step 3: Cross multiply
9,089,475.36x = 12,548,021.16 × 5,652,823.68 - Step 4: Simplify right side
9,089,475.36x = 70,931,751,150,389.06 - Step 5: Solve for x
x = 70,931,751,150,389.06/9,089,475.36 - Step 6: Final answer
x = 7,803,723.35
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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.