Finding the Fourth Proportional to 15,435,755.09, 23,147,747.21 and 5,197,866.12
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Solution
The fourth proportional to 15,435,755.09, 23,147,747.21 and 5,197,866.12 is: 7,794,817.32
Step by Step Solution
- Step 1: Write the proportion equation
15,435,755.09 : 23,147,747.21 = 5,197,866.12 : x - Step 2: Convert to fraction form
15,435,755.09/23,147,747.21 = 5,197,866.12/x - Step 3: Cross multiply
15,435,755.09x = 23,147,747.21 × 5,197,866.12 - Step 4: Simplify right side
15,435,755.09x = 120,318,891,055,281.23 - Step 5: Solve for x
x = 120,318,891,055,281.23/15,435,755.09 - Step 6: Final answer
x = 7,794,817.32
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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.