Finding the Fourth Proportional to 20,101,053.84, 27,744,381.70 and 11,404,317.12
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Solution
The fourth proportional to 20,101,053.84, 27,744,381.70 and 11,404,317.12 is: 15,740,753.18
Step by Step Solution
- Step 1: Write the proportion equation
20,101,053.84 : 27,744,381.70 = 11,404,317.12 : x - Step 2: Convert to fraction form
20,101,053.84/27,744,381.70 = 11,404,317.12/x - Step 3: Cross multiply
20,101,053.84x = 27,744,381.70 × 11,404,317.12 - Step 4: Simplify right side
20,101,053.84x = 316,405,727,205,124.69 - Step 5: Solve for x
x = 316,405,727,205,124.69/20,101,053.84 - Step 6: Final answer
x = 15,740,753.18
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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.