Finding the Fourth Proportional to 33,616,223.57, 46,389,163.62 and 18,730,778.11
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Solution
The fourth proportional to 33,616,223.57, 46,389,163.62 and 18,730,778.11 is: 25,847,791.28
Step by Step Solution
- Step 1: Write the proportion equation
33,616,223.57 : 46,389,163.62 = 18,730,778.11 : x - Step 2: Convert to fraction form
33,616,223.57/46,389,163.62 = 18,730,778.11/x - Step 3: Cross multiply
33,616,223.57x = 46,389,163.62 × 18,730,778.11 - Step 4: Simplify right side
33,616,223.57x = 868,905,130,428,972 - Step 5: Solve for x
x = 868,905,130,428,972/33,616,223.57 - Step 6: Final answer
x = 25,847,791.28
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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.