Finding the Fourth Proportional to 7,550,151.12, 11,320,747.20 and 2,998,751.40
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Solution
The fourth proportional to 7,550,151.12, 11,320,747.20 and 2,998,751.40 is: 4,496,347.95
Step by Step Solution
- Step 1: Write the proportion equation
7,550,151.12 : 11,320,747.20 = 2,998,751.40 : x - Step 2: Convert to fraction form
7,550,151.12/11,320,747.20 = 2,998,751.40/x - Step 3: Cross multiply
7,550,151.12x = 11,320,747.20 × 2,998,751.40 - Step 4: Simplify right side
7,550,151.12x = 33,948,106,515,046.08 - Step 5: Solve for x
x = 33,948,106,515,046.08/7,550,151.12 - Step 6: Final answer
x = 4,496,347.95
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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.