Finding the Fourth Proportional to 7,777,773.09, 11,651,033.52 and 3,875,459.99
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Solution
The fourth proportional to 7,777,773.09, 11,651,033.52 and 3,875,459.99 is: 5,805,403.89
Step by Step Solution
- Step 1: Write the proportion equation
7,777,773.09 : 11,651,033.52 = 3,875,459.99 : x - Step 2: Convert to fraction form
7,777,773.09/11,651,033.52 = 3,875,459.99/x - Step 3: Cross multiply
7,777,773.09x = 11,651,033.52 × 3,875,459.99 - Step 4: Simplify right side
7,777,773.09x = 45,153,114,190,653.70 - Step 5: Solve for x
x = 45,153,114,190,653.70/7,777,773.09 - Step 6: Final answer
x = 5,805,403.89
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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.