Finding the Fourth Proportional to 22,021,605.50, 33,032,740.41 and 7,645,130.06
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Solution
The fourth proportional to 22,021,605.50, 33,032,740.41 and 7,645,130.06 is: 11,467,810.40
Step by Step Solution
- Step 1: Write the proportion equation
22,021,605.50 : 33,032,740.41 = 7,645,130.06 : x - Step 2: Convert to fraction form
22,021,605.50/33,032,740.41 = 7,645,130.06/x - Step 3: Cross multiply
22,021,605.50x = 33,032,740.41 × 7,645,130.06 - Step 4: Simplify right side
22,021,605.50x = 252,539,596,507,504 - Step 5: Solve for x
x = 252,539,596,507,504/22,021,605.50 - Step 6: Final answer
x = 11,467,810.40
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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.