Finding the Fourth Proportional to 29,147,197.85, 40,208,604.93 and 17,378,165.96
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Solution
The fourth proportional to 29,147,197.85, 40,208,604.93 and 17,378,165.96 is: 23,973,207.07
Step by Step Solution
- Step 1: Write the proportion equation
29,147,197.85 : 40,208,604.93 = 17,378,165.96 : x - Step 2: Convert to fraction form
29,147,197.85/40,208,604.93 = 17,378,165.96/x - Step 3: Cross multiply
29,147,197.85x = 40,208,604.93 × 17,378,165.96 - Step 4: Simplify right side
29,147,197.85x = 698,751,809,443,353.38 - Step 5: Solve for x
x = 698,751,809,443,353.38/29,147,197.85 - Step 6: Final answer
x = 23,973,207.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.