Finding the Fourth Proportional to 19,586,122.20, 27,448,914.60 and 19,586,122.20
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Solution
The fourth proportional to 19,586,122.20, 27,448,914.60 and 19,586,122.20 is: 27,448,914.60
Step by Step Solution
- Step 1: Write the proportion equation
19,586,122.20 : 27,448,914.60 = 19,586,122.20 : x - Step 2: Convert to fraction form
19,586,122.20/27,448,914.60 = 19,586,122.20/x - Step 3: Cross multiply
19,586,122.20x = 27,448,914.60 × 19,586,122.20 - Step 4: Simplify right side
19,586,122.20x = 537,617,795,612,964.12 - Step 5: Solve for x
x = 537,617,795,612,964.12/19,586,122.20 - Step 6: Final answer
x = 27,448,914.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.