Finding the Fourth Proportional to 30,889,733.70, 46,334,600.55 and 18,135,149.70
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Solution
The fourth proportional to 30,889,733.70, 46,334,600.55 and 18,135,149.70 is: 27,202,724.55
Step by Step Solution
- Step 1: Write the proportion equation
30,889,733.70 : 46,334,600.55 = 18,135,149.70 : x - Step 2: Convert to fraction form
30,889,733.70/46,334,600.55 = 18,135,149.70/x - Step 3: Cross multiply
30,889,733.70x = 46,334,600.55 × 18,135,149.70 - Step 4: Simplify right side
30,889,733.70x = 840,284,917,263,952.25 - Step 5: Solve for x
x = 840,284,917,263,952.25/30,889,733.70 - Step 6: Final answer
x = 27,202,724.55
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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.