Finding the Fourth Proportional to 13,252,801.20, 19,879,201.80 and 4,733,415.60
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Solution
The fourth proportional to 13,252,801.20, 19,879,201.80 and 4,733,415.60 is: 7,100,123.40
Step by Step Solution
- Step 1: Write the proportion equation
13,252,801.20 : 19,879,201.80 = 4,733,415.60 : x - Step 2: Convert to fraction form
13,252,801.20/19,879,201.80 = 4,733,415.60/x - Step 3: Cross multiply
13,252,801.20x = 19,879,201.80 × 4,733,415.60 - Step 4: Simplify right side
13,252,801.20x = 94,096,523,915,668.08 - Step 5: Solve for x
x = 94,096,523,915,668.08/13,252,801.20 - Step 6: Final answer
x = 7,100,123.40
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1.5x scale
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.