Finding the Fourth Proportional to 22,021,907.80, 33,032,861.70 and 22,021,907.80
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Solution
The fourth proportional to 22,021,907.80, 33,032,861.70 and 22,021,907.80 is: 33,032,861.70
Step by Step Solution
- Step 1: Write the proportion equation
22,021,907.80 : 33,032,861.70 = 22,021,907.80 : x - Step 2: Convert to fraction form
22,021,907.80/33,032,861.70 = 22,021,907.80/x - Step 3: Cross multiply
22,021,907.80x = 33,032,861.70 × 22,021,907.80 - Step 4: Simplify right side
22,021,907.80x = 727,446,634,727,551.25 - Step 5: Solve for x
x = 727,446,634,727,551.25/22,021,907.80 - Step 6: Final answer
x = 33,032,861.70
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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.