Finding the Fourth Proportional to 7,756,647.49, 11,635,765.80 and 2,968,364.08
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Solution
The fourth proportional to 7,756,647.49, 11,635,765.80 and 2,968,364.08 is: 4,452,850.19
Step by Step Solution
- Step 1: Write the proportion equation
7,756,647.49 : 11,635,765.80 = 2,968,364.08 : x - Step 2: Convert to fraction form
7,756,647.49/11,635,765.80 = 2,968,364.08/x - Step 3: Cross multiply
7,756,647.49x = 11,635,765.80 × 2,968,364.08 - Step 4: Simplify right side
7,756,647.49x = 34,539,189,244,012.47 - Step 5: Solve for x
x = 34,539,189,244,012.47/7,756,647.49 - Step 6: Final answer
x = 4,452,850.19
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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.