Finding the Fourth Proportional to 19,933,549.76, 27,508,725.96 and 11,113,544
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Solution
The fourth proportional to 19,933,549.76, 27,508,725.96 and 11,113,544 is: 15,336,928.95
Step by Step Solution
- Step 1: Write the proportion equation
19,933,549.76 : 27,508,725.96 = 11,113,544 : x - Step 2: Convert to fraction form
19,933,549.76/27,508,725.96 = 11,113,544/x - Step 3: Cross multiply
19,933,549.76x = 27,508,725.96 × 11,113,544 - Step 4: Simplify right side
19,933,549.76x = 305,719,436,340,402.25 - Step 5: Solve for x
x = 305,719,436,340,402.25/19,933,549.76 - Step 6: Final answer
x = 15,336,928.95
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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.