Finding the Fourth Proportional to 46,560,181.80, 69,840,272.70 and 14,212,021.80
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Solution
The fourth proportional to 46,560,181.80, 69,840,272.70 and 14,212,021.80 is: 21,318,032.70
Step by Step Solution
- Step 1: Write the proportion equation
46,560,181.80 : 69,840,272.70 = 14,212,021.80 : x - Step 2: Convert to fraction form
46,560,181.80/69,840,272.70 = 14,212,021.80/x - Step 3: Cross multiply
46,560,181.80x = 69,840,272.70 × 14,212,021.80 - Step 4: Simplify right side
46,560,181.80x = 992,571,478,130,345 - Step 5: Solve for x
x = 992,571,478,130,345/46,560,181.80 - Step 6: Final answer
x = 21,318,032.70
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1.5x scale
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.