Finding the Fourth Proportional to 8,203,330.18, 11,321,256.57 and 4,532,567.62
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Solution
The fourth proportional to 8,203,330.18, 11,321,256.57 and 4,532,567.62 is: 6,255,308.49
Step by Step Solution
- Step 1: Write the proportion equation
8,203,330.18 : 11,321,256.57 = 4,532,567.62 : x - Step 2: Convert to fraction form
8,203,330.18/11,321,256.57 = 4,532,567.62/x - Step 3: Cross multiply
8,203,330.18x = 11,321,256.57 × 4,532,567.62 - Step 4: Simplify right side
8,203,330.18x = 51,314,360,946,894.27 - Step 5: Solve for x
x = 51,314,360,946,894.27/8,203,330.18 - Step 6: Final answer
x = 6,255,308.49
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1.5x scale
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.