Finding the Fourth Proportional to 17,493,900.80, 26,240,851.20 and 11,132,355.20
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Solution
The fourth proportional to 17,493,900.80, 26,240,851.20 and 11,132,355.20 is: 16,698,532.80
Step by Step Solution
- Step 1: Write the proportion equation
17,493,900.80 : 26,240,851.20 = 11,132,355.20 : x - Step 2: Convert to fraction form
17,493,900.80/26,240,851.20 = 11,132,355.20/x - Step 3: Cross multiply
17,493,900.80x = 26,240,851.20 × 11,132,355.20 - Step 4: Simplify right side
17,493,900.80x = 292,122,476,308,746.19 - Step 5: Solve for x
x = 292,122,476,308,746.19/17,493,900.80 - Step 6: Final answer
x = 16,698,532.80
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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.