Finding the Fourth Proportional to 7,722,125.07, 11,578,645.67 and 2,930,151.08
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Solution
The fourth proportional to 7,722,125.07, 11,578,645.67 and 2,930,151.08 is: 4,393,503.18
Step by Step Solution
- Step 1: Write the proportion equation
7,722,125.07 : 11,578,645.67 = 2,930,151.08 : x - Step 2: Convert to fraction form
7,722,125.07/11,578,645.67 = 2,930,151.08/x - Step 3: Cross multiply
7,722,125.07x = 11,578,645.67 × 2,930,151.08 - Step 4: Simplify right side
7,722,125.07x = 33,927,181,042,343.84 - Step 5: Solve for x
x = 33,927,181,042,343.84/7,722,125.07 - Step 6: Final answer
x = 4,393,503.18
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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.