Finding the Fourth Proportional to 11,585,403.20, 17,378,104.80 and 8,383,764.80
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Solution
The fourth proportional to 11,585,403.20, 17,378,104.80 and 8,383,764.80 is: 12,575,647.20
Step by Step Solution
- Step 1: Write the proportion equation
11,585,403.20 : 17,378,104.80 = 8,383,764.80 : x - Step 2: Convert to fraction form
11,585,403.20/17,378,104.80 = 8,383,764.80/x - Step 3: Cross multiply
11,585,403.20x = 17,378,104.80 × 8,383,764.80 - Step 4: Simplify right side
11,585,403.20x = 145,693,943,312,951.03 - Step 5: Solve for x
x = 145,693,943,312,951.03/11,585,403.20 - Step 6: Final answer
x = 12,575,647.20
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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.