Finding the Fourth Proportional to 19,576,720.44, 27,015,122.84 and 10,875,440.04
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Solution
The fourth proportional to 19,576,720.44, 27,015,122.84 and 10,875,440.04 is: 15,007,689.85
Step by Step Solution
- Step 1: Write the proportion equation
19,576,720.44 : 27,015,122.84 = 10,875,440.04 : x - Step 2: Convert to fraction form
19,576,720.44/27,015,122.84 = 10,875,440.04/x - Step 3: Cross multiply
19,576,720.44x = 27,015,122.84 × 10,875,440.04 - Step 4: Simplify right side
19,576,720.44x = 293,801,348,619,654.50 - Step 5: Solve for x
x = 293,801,348,619,654.50/19,576,720.44 - Step 6: Final answer
x = 15,007,689.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.